centrifuge
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C1 noun /ˈsɛntrɪˌfjuːdʒ/

centrifuge

centrífuga
Meaning
A machine that spins substances at high speed to separate different components.
Example
The lab technician used a centrifuge to separate the blood cells from the plasma.
El técnico de laboratorio usó una centrífuga para separar las células sanguíneas del plasma.
C1 noun /ˈtʃɪz.əl/

Chisel

cincel
Meaning
a tool with a sharp flat edge used for cutting or shaping wood, stone, or metal
Example
The carpenter used a chisel to carve the wood.
El carpintero usó un cincel para tallar la madera.
C2 noun /kɒŋk/

Conck

caracol
Meaning
a shell, especially a large spiral one used as a horn or for decoration
Example
The priest blew the conch shell to signal the start of the ceremony.
El sacerdote sopló el cuerno de caracol para señalar el inicio de la ceremonia.
C2 noun /kənˈkɔːrdəns/

concordance

acuerdo
Meaning
Agreement; also an alphabetical index of the principal words in a book.
Example
There is a strong concordance between the two reports.
Hay una fuerte concordancia entre los dos informes.
B2 noun /ˈʃeɪndʒ ˈmænɪdʒmənt/

change management

gestión del cambio
Meaning
The discipline that guides how we prepare, equip and support individuals, teams and organizations in making organizational change.
Example
Change management ensures smooth transitions.
La gestión del cambio asegura transiciones suaves.
B1 noun /kəmˈpɛtɪtər/

competitor

competidor
Meaning
a person, team, or company that competes with others
Example
The company lowered its prices to beat its main competitor.
La empresa redujo sus precios para vencer a su principal competidor.
A2 noun /ˈkɜːr.tən/

Curtain

cortina
Meaning
a piece of material suspended at the top to form a covering or screen, typically movable sideways
Example
She drew the curtains to block out the bright sunlight.
Ella cerró las cortinas para bloquear la luz solar brillante.
C1 noun /ˈkɒndɪmənt/

condiment

condimento
Meaning
a substance such as salt, mustard, or ketchup that is used to add flavor to food
Example
Ketchup is a popular condiment in many countries.
El kétchup es un condimento popular en muchos países.
C2 verb /ˈkɒdʒɪteɪt/

cogitate

cogitar
Meaning
to think deeply about something; to meditate or reflect
Example
He sat by the river to cogitate on his future plans.
Se sentó junto al río para reflexionar sobre sus planes futuros.
B2 noun /ˈkæp.sɪ.kəm/

Capsicum

pimiento
Meaning
sweet pepper; bell pepper; colorful vegetable used in cooking
Example
Add red and green capsicum to make the dish colorful and nutritious.
Agrega pimientos rojos y verdes para hacer el plato colorido y nutritivo.
C1 noun ˈkəmˌpaʊndɪŋ

compounding

intereses compuestos
Meaning
The process whereby interest is added to an amount of money and future interest is calculated on the total.
Example
Compounding interest increases the value of investments over time.
Los intereses compuestos aumentan el valor de las inversiones con el tiempo.
A2 verb kriˈeɪt

create

crear
Meaning
To bring something into existence; to make or produce something new.
Example
Unmanaged growth can create complex challenges.
El crecimiento no gestionado puede crear desafíos complejos.
B1 verb /kruːz/

cruise

felicidad
Meaning
to travel smoothly at a moderate speed, especially for pleasure
Example
They decided to cruise along the coast during their vacation.
No pudo ocultar su felicidad cuando recibió el premio.
A1 noun /tʃaɪld/

child

niño
Meaning
a young human being below the age of puberty or below the legal age of majority
Example
The child played happily in the park.
El niño jugó felizmente en el parque.
C2 noun /ˈkjuːbeb ˈpepər/

Cubeb Pepper

pimienta cubeba
Meaning
aromatic spice with a slightly bitter taste and cooling aftertaste
Example
Cubeb pepper is used in traditional Indonesian cuisine.
La pimienta cubeba se usa en la cocina tradicional indonesia.
C1 noun /kənˈsɜːvəˌtɔːri/

conservatory

invernadero / escuela de música y arte
Meaning
A greenhouse for growing plants or a school for music and the arts.
Example
They grew exotic plants in the conservatory.
Cultivaron plantas exóticas en el invernadero.
A1 verb /kʌm/

come

venir
Meaning
to move toward a place; to arrive at a place
Example
Please come to my birthday party.
Por favor, ven a mi fiesta de cumpleaños.
B2 noun /ˌkɑː.bəʊˈhaɪ.dreɪts/

carbohydrates

carbohidratos
Meaning
Organic compounds consisting of carbon, hydrogen, and oxygen, serving as a primary source of energy for the body.
Example
Whole grains are a great source of healthy carbohydrates.
Los granos enteros son una excelente fuente de carbohidratos saludables.
B1 noun /ˈkæt.ər.pɪl.ər/

Caterpillar

oruga
Meaning
the larva of a butterfly or moth that feeds on plants
Example
The caterpillar ate all the leaves on the plant.
La oruga comió todas las hojas de la planta.
C1 noun sɜːrˈkeɪdiən ˈrɪðəm

circadian rhythm

ritmo circadiano
Meaning
The body's natural sleep-wake cycle that occurs within 24 hours
Example
Exposure to natural light regulates the circadian rhythm.
La exposición a la luz natural regula el ritmo circadiano.
B2 noun /ˌkɒndɛnˈseɪʃən/

condensation

condensación
Meaning
The process of water vapor changing into liquid; also, the act of making something more concise.
Example
Condensation formed on the windows during the cold night.
Se formó condensación en las ventanas durante la fría noche.
C1 noun /ˈʃæsi/

chassis

chasis del vehículo
Meaning
the base frame of a vehicle or other wheeled machine
Example
The mechanic examined the car's chassis for damage.
El mecánico examinó el chasis del coche en busca de daños.
B1 noun ˈtʃeə.pɜː.sən

chairperson

presidente
Meaning
A person who is in charge of a meeting or organization; the presiding officer of a committee, board, or organization.
Example
The chairperson ensures procedural integrity.
El presidente asegura la integridad del procedimiento.
B1 noun kəˈpæs.ə.ti

capacity

capacidad
Meaning
The maximum amount that something can contain or produce; the ability or power to do or understand something.
Example
The cable has the capacity to handle vast data traffic.
El cable tiene la capacidad de manejar grandes cantidades de tráfico de datos.
C1 noun /ˈtʃæs.tɪ.ti/

Chastity

castidad; virginidad; moderación;
Meaning
the practice of refraining from extramarital or premarital sexual relations; sexual purity
Example
Many religious traditions value chastity as a virtue of moral purity.
Muchas tradiciones religiosas valoran la castidad como una virtud de pureza moral.
C2 noun /ˈkæt.aɪ.ɒn ɪksˌtʃeɪndʒ/

cation-exchange

intercambio catiónico
Meaning
A chemical process in soil that helps retain nutrients.
Example
The cation-exchange capacity of soil affects plant growth.
La capacidad de intercambio catiónico del suelo afecta el crecimiento de las plantas.
B1 adjective /ˈtʃɪli/

chilly

frío
Meaning
uncomfortably or unpleasantly cold
Example
It was a chilly morning in December.
Fue una mañana fría en diciembre.
C1 noun /kənˈsep.ʃən/

Conception

concepción; idea; fertilización
Meaning
the forming of an idea or plan; the fertilization of an ovum by a sperm; the action of conceiving
Example
The conception of this innovative project took several months of brainstorming.
La concepción de este proyecto innovador tomó varios meses de lluvia de ideas.
B2 adjective /ˈtʃeɪn.dʒə.bəl/

Changeable

cambiable; inestable
Meaning
able to be changed; likely to change frequently
Example
The weather is very changeable in spring.
El clima es muy cambiante en primavera.
C2 adjective /ˌkɒnsæŋˈɡwɪniəs/

consanguineous

consanguíneo
Meaning
Related by blood; descended from the same ancestor.
Example
The study focused on genetic disorders in consanguineous families.
El estudio se centró en trastornos genéticos en familias consanguíneas.
C1 verb /ˌkɒm.pɑːtˈmen.təl.aɪz/

compartmentalize

compartimentar
Meaning
To divide into sections or categories; to separate things into compartments.
Example
To increase efficiency, he compartmentalized his work tasks.
Para aumentar la eficiencia, él compartimentó sus tareas laborales.
B2 noun /ˌkɒn.tɪˈnjuː.ɪ.ti/

continuity

continuidad
Meaning
the state of being continuous or connected; consistency over time
Example
Maintaining continuity in leadership is essential for organizational stability.
Mantener la continuidad en el liderazgo es esencial para la estabilidad organizacional.
C2 noun /ˈkɒn.tjʊ.mə.si/

contumacy

desobediencia, terquedad
Meaning
stubborn refusal to obey authority
Example
His contumacy led to his suspension from the council.
Su desobediencia condujo a su suspensión del consejo.
C1 noun ˌkɒm.pjʊˈteɪ.ʃən

computation

cálculo
Meaning
The action of mathematical calculation.
Example
Complex computation is required for AI models.
Se requiere un cálculo complejo para los modelos de IA.
C1 noun /ˈkɑːrkəs/

carcass

cuerpo muerto de un animal
Meaning
the dead body of an animal, especially after being slaughtered
Example
Vultures fed on the carcass left in the field.
Los buitres se alimentaron del cadáver dejado en el campo.
B2 noun /kɜːrl/

Curl

rizo; espiral
Meaning
a piece of hair that curves or coils; something with a spiral or curved shape
Example
She had beautiful natural curls that framed her face perfectly.
Ella tenía hermosos rizos naturales que enmarcaban su rostro perfectamente.
A2 noun /ˈkælkjʊleɪtər/

calculator

calculadora
Meaning
an electronic or mechanical device used to perform mathematical calculations
Example
She used a calculator to solve the complex equation.
Usó una calculadora para resolver la ecuación compleja.
C2 noun /ˈtʃaɪ.nə roʊz/

China-rose

hibisco
Meaning
a tropical flowering plant with large, showy flowers in various colors
Example
The bright red China-rose flowers decorated the entrance of the house.
Las brillantes flores rojas de hibisco decoraban la entrada de la casa.
A2 adjective /kəˈneɪdiən/

canadian

canadiense
Meaning
Relating to Canada or its people.
Example
She enjoys Canadian culture and traditions.
Ella disfruta de la cultura y las tradiciones canadienses.
C2 noun /ˌkʌl.pəˈbɪl.ɪ.ti/

culpability

culpabilidad
Meaning
responsibility for a fault or wrong; blameworthiness
Example
The jury considered his level of culpability in the crime.
El jurado consideró su nivel de culpabilidad en el crimen.
C2 adjective /kənˌtɛmpəˈreɪniəs/

contemporaneous

contemporáneo
Meaning
existing, happening, or occurring at the same time
Example
The two artists were contemporaneous and often influenced each other.
Los dos artistas eran contemporáneos y a menudo se influenciaban mutuamente.
A2 noun ˈkɜːrɪdʒ

courage

valor
Meaning
The ability to do something that frightens one; bravery.
Example
Courage is essential in the face of challenges.
El valor es esencial frente a los desafíos.
C1 adjective /ˈkjʊərəbl/

curable

curable
Meaning
Able to be cured or healed.
Example
The doctor assured her that the disease was curable.
El doctor le aseguró que la enfermedad era curable.
A2 noun, verb /kɔɪn/

coin

moneda
Meaning
A flat piece of metal used as money; as a verb, to invent a new word or phrase.
Example
The government decided to coin a new term for the program.
El gobierno decidió acuñar un nuevo término para el programa.
B2 adjective /kəmˈpærətɪv/

Comparative

comparativo
Meaning
involving comparison between two or more things; relative
Example
The study showed comparative results between different teaching methods.
El estudio mostró resultados comparativos entre diferentes métodos de enseñanza.
B2 noun /kəˈmɪʃənər/

commissioner

comisionado
Meaning
an official in charge of a particular department or area
Example
The police commissioner addressed the media about the incident.
El comisionado de policía dirigió los medios sobre el incidente.
B2 noun /kraɪst/

christ

Cristo
Meaning
the title given to Jesus, considered the Messiah in Christianity
Example
Christ is central to Christian faith.
Cristo es central para la fe cristiana.
A2 noun /kəˈlek.ʃən/

Collection

colección; acopio; archivo
Meaning
a group of objects gathered together; the action or process of collecting
Example
She has an impressive collection of vintage books in her library.
Ella tiene una impresionante colección de libros antiguos en su biblioteca.
B1 adjective /ˈtʃɑːr.mɪŋ/

charming

encantador
Meaning
Very pleasing or delightful in a way that attracts people.
Example
The village is full of charming little houses.
El pueblo está lleno de encantadoras casitas.
C1 noun /ˌkɒn.stəˈleɪ.ʃən/

constellation

constelación
Meaning
a group of stars forming a recognizable pattern in the night sky
Example
Orion is one of the most famous constellations.
Orión es una de las constelaciones más famosas.
B2 noun /ˈkæriər/

carrier

transportista
Meaning
A person or thing that carries, transports, or conveys something; also an organization that provides transport services.
Example
The airline is the largest carrier in the country.
La aerolínea es el mayor transportista del país.
B2 noun /kəˈdɛt/

cadet

cadete
Meaning
A young trainee in the armed forces, police, or other organization.
Example
The cadet marched proudly in the parade.
El cadete marchó orgullosamente en el desfile.
B1 noun ˌkɒnsənˈtreɪʃən

concentration

concentración
Meaning
The action or power of focusing one's attention or mental effort on a particular object or activity
Example
Concentration is key to mastering any skill.
La concentración es clave para dominar cualquier habilidad.
A2 noun /ˈkɒlɪdʒ/

college

universidad
Meaning
An educational institution where students study for degrees or professional qualifications.
Example
She hopes to attend college in the city next year.
Ella espera asistir a la universidad en la ciudad el próximo año.
C1 noun /kɑːrˈtɒɡrəfər/

cartographer

cartógrafo
Meaning
A person who makes maps.
Example
The cartographer carefully drew the map of the new territory.
El cartógrafo dibujó cuidadosamente el mapa del nuevo territorio.
C1 adjective /ˈkoʊpiəs/

copious

copioso
Meaning
abundant in supply or quantity
Example
She took copious notes during the lecture.
Ella tomó copiosas notas durante la conferencia.
C1 noun /ˈkɒləmnɪst/

columnist

columnista
Meaning
a journalist who regularly writes articles or opinions for a newspaper or magazine
Example
The columnist wrote an article about climate change.
El columnista escribió un artículo sobre el cambio climático.
B2 noun ˈsɜːrkjələr ɪˈkɒnəmi

circular economy

economía circular
Meaning
An economic system aimed at eliminating waste and the continual use of resources through reuse, sharing, repair, refurbishment, remanufacturing and recycling.
Example
Adopting a circular economy can reduce waste.
Adoptar una economía circular puede reducir los residuos.
C1 verb /tʃæsˈtaɪz/

chastise

criticar severamente / castigar severamente
Meaning
to criticize or punish severely
Example
The teacher chastised the student for being late.
El maestro reprendió al estudiante por llegar tarde.
C2 noun /ˌkɒntrəpəˈzɪʃən/

contraposition

contraposición
Meaning
the act of placing two things in opposition for contrast or comparison
Example
The contraposition of the two theories highlighted their differences.
La contraposición de las dos teorías destacó sus diferencias.
A2 noun, verb /kɒf/

cough

tos
Meaning
a sudden noisy release of air from the lungs to clear the throat or airway; to expel air suddenly from the lungs with a cough
Example
He has a bad cough and stayed home today.
Tiene una tos fuerte y se quedó en casa hoy.
B2 verb /ˌkɒmprɪˈhɛnd/

comprehend

comprender
Meaning
to understand or grasp the meaning of something
Example
It is difficult to comprehend the scale of the disaster.
Es difícil comprender la magnitud del desastre.
C2 adjective /ˈklæmərəs/

clamorous

ruidoso
Meaning
making a loud and confused noise; expressing strong demands noisily
Example
The clamorous audience demanded an encore from the band.
La audiencia ruidosa exigió un bis de la banda.
B1 adjective ˈkruː.ʃəl

crucial

crucial
Meaning
Decisive or critical, especially in the success or failure of something.
Example
Fault-tolerance is crucial for reliability.
La tolerancia a fallos es crucial para la fiabilidad.
B1 noun /kənˈkluː.ʒən/

Conclusion

conclusión; finalización; juicio
Meaning
the end or finish of an event, process, or text; a judgment or decision reached by reasoning
Example
The conclusion of the research paper summarized all the important findings.
La conclusión del artículo de investigación resumió todos los hallazgos importantes.
C2 adjective /kənˈsʌmptɪv/

consumptive

consuntivo
Meaning
Relating to or characterized by consumption; historically used to describe someone suffering from tuberculosis.
Example
The doctor advised against consumptive habits.
El doctor aconsejó evitar los hábitos consumptivos.
B1 noun /ˈkɒliːɡ/

colleague

colega
Meaning
a person with whom one works, especially in a profession or business
Example
She invited her colleagues to the office party.
Ella invitó a sus colegas a la fiesta de la oficina.
C2 adjective /sərˈkjuːɪtəs/

circuitous

ruta indirecta
Meaning
Longer than the most direct way; roundabout.
Example
He took a circuitous route to avoid traffic.
Tomó una ruta indirecta para evitar el tráfico.
A2 adverb /ˈklɪrli/

clearly

claramente
Meaning
In a way that is easy to perceive, understand, or see.
Example
She spoke clearly so that everyone could understand.
Ella habló claramente para que todos pudieran entender.
B1 adjective /kənˈviː.ni.ənt/

Convenient

conveniente; adecuado; práctico;
Meaning
fitting in well with a person's needs, activities, and plans; suitable and practical
Example
The new shopping mall is very convenient for our family.
El nuevo centro comercial es muy conveniente para nuestra familia.
C2 adjective /ˈklɔɪ.ɪŋ/

cloying

empalagoso
Meaning
too sweet, rich, or sentimental, making it unpleasant
Example
The dessert was so cloying that I couldn't finish it.
El postre estaba tan empalagoso que no pude terminarlo.
C1 noun /ˌkɒn.əˈsɜːr/

connoisseur

experto
Meaning
an expert judge in matters of taste, especially in food, art, or wine
Example
She is a true connoisseur of fine art.
Ella es una verdadera experta en arte fino.
C2 adjective /ˌkrɪp.təˈɡræf.ɪk/

cryptographic

criptográfico
Meaning
Relating to cryptography; involving or using secret codes or ciphers for security.
Example
Banks use cryptographic technology to protect transactions.
Los bancos usan tecnología criptográfica para proteger las transacciones.
C2 noun /ˌkɒnsæŋˈɡwɪnɪti/

consanguinity

consanguinidad
Meaning
The fact of being descended from the same ancestor; blood relationship.
Example
The degree of consanguinity was important in inheritance laws.
El grado de consanguinidad era importante en las leyes de herencia.
C2 adjective /ˈkɔːpjʊlənt/

corpulent

corpulento, obeso
Meaning
fat or obese; having a large bulky body
Example
The corpulent man struggled to fit into the small chair.
El hombre corpulento luchaba por encajar en la pequeña silla.
C1 noun /kuːp/

coop

un pequeño corral o jaula para gallinas u otras aves
Meaning
a small enclosure or cage for chickens or other birds
Example
The farmer checked the chickens in the coop every morning.
El granjero revisaba las gallinas en el corral todas las mañanas.
B2 noun /ˈkæbɪnət/

Cabinet

gabinete
Meaning
a piece of furniture with doors and shelves used for storage
Example
The kitchen cabinet is full of dishes and utensils.
El gabinete de la cocina está lleno de platos y utensilios.
B2 noun kəmˈpet.ɪ.tɪv.nəs

competitiveness

competitividad
Meaning
The quality of being as good as or better than others of a comparable nature; the ability to compete successfully.
Example
Competitiveness is vital for economic sustainability.
La competitividad es vital para la sostenibilidad económica.
C1 noun /kriːd/

creed

creencia, principio
Meaning
A system of religious or spiritual beliefs or a guiding principle.
Example
Freedom of speech is part of his personal creed.
La libertad de expresión es parte de su credo personal.
B2 noun /ˌkɑːrboʊˈhaɪdreɪt/

carbohydrate

carbohidrato
Meaning
a nutrient that provides energy, found in foods like rice, bread, and sugar
Example
Rice and potatoes are rich in carbohydrates.
El arroz y las papas son ricos en carbohidratos.
C1 noun /kənˈtɪn.dʒən.si/

contingency

plan de contingencia
Meaning
A provision for an unforeseen event or circumstance, especially in financial planning.
Example
The company has a contingency plan for economic downturns.
La empresa tiene un plan de contingencia para las recesiones económicas.
B2 noun ˈkɔːrəl ˈriːfs

Coral Reefs

arrecifes de coral
Meaning
Underwater structures made from calcium carbonate secreted by corals, forming diverse marine ecosystems.
Example
Saint Martin's Island is known for its coral reefs.
La Isla de San Martín es conocida por sus arrecifes de coral.
C1 adjective /ˈkʌlpəbl̩/

culpable

culpable
Meaning
deserving blame or responsibility for a wrongdoing
Example
The judge found him culpable for the accident.
El juez lo consideró culpable del accidente.
A2 adjective ˈkʌmftəbəl

comfortable

cómodo
Meaning
Giving a feeling of physical ease and relaxation; free from hardship or unpleasant conditions.
Example
Urban planning aims to make cities more comfortable.
La planificación urbana tiene como objetivo hacer que las ciudades sean más cómodas.
A2 noun /ˈkrɒk.ə.daɪl/

Crocodile

cocodrilo
Meaning
a large reptile with a long mouth and sharp teeth that lives in rivers and lakes in hot countries
Example
The crocodile slowly moved through the murky water.
El cocodrilo se movió lentamente por el agua turbia.
C1 adjective ˈkɒn.təm.plə.tɪv

contemplative

reflexivo o pensativo
Meaning
Expressing or involving prolonged thought; meditative and reflective.
Example
He spent a contemplative evening reflecting on his decisions.
Él pasó una tarde contemplativa reflexionando sobre sus decisiones.
C2 noun/adjective /ˈsaɪklɔɪd/

cycloid

curva ciclóidea
Meaning
a curve traced by a point on the rim of a circle as it rolls along a straight line
Example
The cycloid is often studied in mathematics and physics.
La ciclóidea se estudia a menudo en matemáticas y física.
C2 verb /ˈtʃeɪ.sən/

chasten

castigar / someter
Meaning
to correct or discipline; to humble or subdue
Example
The coach chastened the team after their poor performance.
El entrenador castigó al equipo después de su pobre desempeño.
C2 noun /ˈkɔːfər/

coffer

cofre
Meaning
A strongbox or small chest for holding valuables, often used metaphorically for funds or financial reserves.
Example
The city's coffers were drained after the costly project.
Las arcas de la ciudad fueron vaciadas después del costoso proyecto.
C2 noun /ˈkɒd.ɪ.sɪl/

codicil

codicilio
Meaning
a legal document that makes changes or additions to an existing will
Example
He added a codicil to his will to include his granddaughter.
Él agregó un codicilio a su testamento para incluir a su nieta.
C2 adjective /ˈsɜːrkəmskraɪbd/

circumscribed

circunscrito
Meaning
restricted or limited in scope or freedom
Example
Her freedom of choice was circumscribed by social rules.
Su libertad de elección estaba circunscrita por las reglas sociales.
A1 noun /ˈkrɪsməs/

christmas

Navidad
Meaning
an annual festival celebrating the birth of Jesus Christ, observed on December 25
Example
Families gather to celebrate Christmas with joy and love.
Las familias se reúnen para celebrar la Navidad con alegría y amor.
C1 noun /səˈvɪləti/

civility

cortesía
Meaning
Polite and courteous behavior.
Example
He treated his opponent with civility despite their differences.
Trató a su oponente con cortesía a pesar de sus diferencias.
A2 noun /ˈkoʊkənʌt/

Coconut

coco
Meaning
a large brown seed with hard shell containing white flesh and coconut water
Example
We drank coconut water directly from the coconut.
Bebimos agua de coco directamente del coco.
B2 noun /kɒt/

Cot

cuna
Meaning
a small bed, especially a portable one or one for a baby
Example
The baby sleeps peacefully in her cot.
El bebé duerme tranquilamente en su cuna.
B2 noun /ˈkəʊ.tɪŋ/

coating

recubrimiento
Meaning
A protective or decorative layer applied to a surface.
Example
A protective coating prevents rust formation.
Un recubrimiento protector evita la formación de óxido.
A2 noun kɒsts

Costs

costos
Meaning
An amount that has to be paid or spent to buy or obtain something.
Example
Reducing costs improves profit margins.
Reducir los costos mejora los márgenes de ganancia.
C2 noun /kaɪˈmɪərə/

chimera

quimera
Meaning
A mythical creature with parts from different animals; also used to mean a fanciful illusion or unattainable dream.
Example
The idea of a perfect society is often a chimera.
La idea de una sociedad perfecta es a menudo una quimera.
B2 noun /ˈsen.tɪ.piːd/

Centipede

ciempiés
Meaning
a long thin creature with many legs that lives in dark places
Example
I found a centipede crawling under the rock.
Encontré un ciempiés arrastrándose bajo la roca.
B1 adverb /ˈtʃɪəfəli/

cheerfully

alegremente
Meaning
in a happy and positive manner; with visible good spirits
Example
She greeted everyone cheerfully despite the long day.
Saludó a todos alegremente a pesar del largo día.
B1 noun /kluː/

clue

pista
Meaning
a piece of evidence or information used in the detection of a crime or solving a puzzle
Example
The detective found a clue near the window.
El detective encontró una pista cerca de la ventana.
C1 noun /ˈkʌn.stə.bəl/

constable

agente
Meaning
a police officer of the lowest rank
Example
The constable directed traffic at the busy intersection.
El agente dirigió el tráfico en la intersección concurrida.
C1 adjective /ˈkoʊvərt/

covert

secreto
Meaning
hidden, secret, or not openly acknowledged
Example
The spy conducted a covert operation behind enemy lines.
El espía llevó a cabo una operación encubierta detrás de las líneas enemigas.
B1 noun /kənˈsjuːmər/

consumer

consumidor
Meaning
A person who buys and uses goods and services.
Example
The company focuses on understanding consumer needs.
La empresa se centra en comprender las necesidades de los consumidores.
B2 noun ˌsaɪ.bə.sɪˈkjʊə.rɪ.ti

cybersecurity

ciberseguridad
Meaning
The practice of protecting systems, networks, and programs from digital attacks
Example
Cybersecurity ensures safe digital operations.
La ciberseguridad garantiza operaciones digitales seguras.
C2 noun /ˈkloʊðiər/

clothier

comerciante de ropa
Meaning
a person or company that makes, sells, or deals in clothes.
Example
The town’s clothier displayed fine suits in his shop window.
El comerciante de ropa de la ciudad exhibió trajes elegantes en la ventana de su tienda.
A1 noun /klɑːs/

class

clase
Meaning
a group of students taught together or a category of people or things with shared characteristics
Example
Our class meets every morning at nine.
Nuestra clase se reúne todas las mañanas a las nueve.
C2 adjective /krʌˈsteɪʃəs/

crustaceous

de caparazón duro
Meaning
relating to or having a hard shell like a crustacean
Example
The scientist studied the crustaceous fossils.
El científico estudió los fósiles de caparazón duro.
B1 noun ˈkʌrənsi

currency

moneda
Meaning
A system of money in general use in a particular country; the fact or quality of being generally accepted or in use.
Example
Dual currency systems were proposed.
Se propusieron sistemas de moneda dual.
B1 noun, verb /ˈkɒndʌkt/ (noun), /kənˈdʌkt/ (verb)

conduct

comportamiento / conducir
Meaning
to organize or carry out; or a person's behavior
Example
The teacher conducted the exam fairly.
La profesora condujo el examen de manera justa.
C2 noun, verb /ˈkaʊntərˌtʃɑːrdʒ/

countercharge

contracargo
Meaning
an opposing charge or accusation; to make an opposing attack
Example
The lawyer filed a countercharge against the accuser.
El abogado presentó una contracarga contra el acusador.
C2 noun /ˈkɒntrəriz/

contraries

cosas opuestas
Meaning
things that are completely different or opposite to each other
Example
Freedom and slavery are contraries in every sense.
La libertad y la esclavitud son contrarias en todos los sentidos.
C1 adjective /kənˈtɪɡ.ju.əs/

contiguous

contiguo
Meaning
sharing a common border; touching
Example
The two continguous houses shared a wall.
Las dos casas contiguas compartieron una pared.
B2 adjective /kənˈdʒɛstɪd/

congested

congestionado
Meaning
Blocked up with too much traffic or crowding.
Example
The road was congested during rush hour.
La carretera estaba congestionada durante la hora punta.
B2 adjective /kənˈsek.jə.tɪv/

Consecutive

consecutivo
Meaning
following each other in uninterrupted succession; sequential
Example
She won three consecutive matches in the tournament.
Ella ganó tres partidos consecutivos en el torneo.
C2 noun, adjective /klɛərˈvɔɪənt/

clairvoyant

clarividente
Meaning
a person who claims to have clairvoyance; having the ability to see beyond normal senses
Example
The clairvoyant predicted that she would travel abroad soon.
El clarividente predijo que ella viajaría al extranjero pronto.
C1 verb /ˈkæptɪveɪt/

captivate

cautivar, atraer
Meaning
to attract and hold the interest of; to charm or fascinate
Example
Her beautiful voice captivated the audience.
Su hermosa voz cautivó a la audiencia.
C1 noun /ˈkæviˌæt/

caveat

advertencia
Meaning
a warning or condition to be considered before taking action
Example
The proposal was accepted with one caveat.
La propuesta fue aceptada con una advertencia.
B1 noun /ˈtʃɪl.i ˈpaʊ.dər/

Chilli Powder

polvo de chile
Meaning
a spice made from ground dried chili peppers, used to add heat and flavor to food
Example
Add two teaspoons of chilli powder to make the dish spicier.
Agrega dos cucharaditas de polvo de chile para hacer el plato más picante.
A2 noun /kəˈnɛkʃən/

connection

conexión
Meaning
a relationship in which a person, thing, or idea is linked or associated with something else
Example
There is a strong connection between exercise and health.
Hay una fuerte conexión entre el ejercicio y la salud.
C2 noun /ˈʃɛvrən/

chevron

símbolo en forma de V
Meaning
A V-shaped pattern, often used in military insignia or design.
Example
The sergeant’s uniform displayed three chevrons on the sleeve.
El uniforme del sargento mostraba tres chevrones en la manga.