acquiescent
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C2 adjective /ˌækwiˈɛsənt/

acquiescent

sumiso
Meaning
ready to accept something without protest, or to do what someone else wants
Example
He gave an acquiescent smile and agreed to the plan.
Él dio una sonrisa sumisa y aceptó el plan.
C2 adjective əˈdrɔɪt

adroit

habilidoso, astuto, hábil
Meaning
clever or skillful in using the hands or mind.
Example
She is adroit at solving complex problems.
Ella es hábil para resolver problemas complejos.
C2 adjective /əˈvʌŋkjələr/

avuncular

amable como un tío
Meaning
kind and friendly, like an uncle
Example
He had an avuncular manner that made everyone feel comfortable.
Él tenía una manera avuncular que hacía sentir cómodos a todos.
C2 verb /əkˈsiːd/

accede

acceder
Meaning
to agree to a request, proposal, or demand; to assume an office or position
Example
The government finally acceded to the demands of the protesters.
El gobierno finalmente accedió a las demandas de los manifestantes.
C1 adjective /ˌæpəˈθɛtɪk/

apathetic

apático
Meaning
showing or feeling little or no interest, enthusiasm, or concern
Example
He was apathetic about the outcome of the match.
Él estaba apático respecto al resultado del partido.
C1 noun /ədˈhɪə.rəns/

adherence

cumplimiento
Meaning
The practice of following or keeping to a rule, standard, or belief.
Example
Adherence to rules is crucial in any organization.
El cumplimiento de las reglas es crucial en cualquier organización.
B1 noun ˌɑː.tɪˈfɪʃ.əl ɪnˈtɛl.ɪ.dʒəns

artificial intelligence

inteligencia artificial
Meaning
The theory and development of computer systems able to perform tasks normally requiring human intelligence.
Example
Artificial intelligence is revolutionizing education through smart tutoring.
La inteligencia artificial está revolucionando la educación a través de la tutoría inteligente.
C2 noun /ˈækəlaɪt/

acolyte

acólito
Meaning
a follower or assistant, especially in a religious service or as a devoted supporter of a leader
Example
The senator arrived with a small group of acolytes who handled the press.
El senador llegó con un pequeño grupo de acólitos que se encargaban de la prensa.
B2 noun /ˈænθəm/

anthem

himno
Meaning
A song that is identified with a particular group, movement, or nation, often expressing pride or unity.
Example
The national anthem was played before the football match.
El himno nacional se tocó antes del partido de fútbol.
B2 adjective /əˈsɪdɪk/

acidic

ácido
Meaning
containing acid; having a sour taste; sharp or biting in tone
Example
The lemon has an acidic taste that makes your mouth pucker.
El limón tiene un sabor ácido.
C1 adjective /ɑːrˈkeɪɪk/

archaic

arcaico
Meaning
very old or old-fashioned; belonging to an earlier time
Example
Some laws are considered archaic and no longer relevant.
Algunas leyes se consideran arcaicas y ya no son relevantes.
B2 adverb /əˈkɔːr.dɪŋ.li/

Accordingly

por lo tanto; de acuerdo con; en consecuencia
Meaning
in a way that is appropriate to the particular circumstances; therefore; consequently
Example
The weather was bad, so the event was cancelled accordingly.
El clima estaba malo, por lo tanto, el evento fue cancelado de acuerdo con ello.
B1 noun /ˈæbsəns/

Absence

ausencia
Meaning
the state of being away from a place or person; lack or non-existence
Example
His absence from the meeting was noticed by everyone.
Su ausencia en la reunión fue notada por todos.
C1 noun ˈælərdʒən

allergen

sustancia que causa una reacción alérgica
Meaning
A substance that causes an allergic reaction.
Example
Pollen is a common allergen that affects many people.
El polen es un alérgeno común que afecta a muchas personas.
B2 adjective /æʃ ˈkʌl.ər/

Ash-colour

color ceniza
Meaning
a grayish color resembling ash
Example
The old building had ash-colour walls that needed painting.
El edificio viejo tenía paredes de color ceniza que necesitaban pintura.
A2 noun əˈɡriː.mənt

agreement

acuerdo
Meaning
A negotiated arrangement between parties as to a course of action.
Example
The agreement was accepted by all countries.
El acuerdo fue aceptado por todos los países.
A2 noun /ˈeɪn.dʒəl/

Angel

ángel
Meaning
a spiritual being believed to act as an attendant, agent, or messenger of God
Example
She looked like an angel in her white dress.
Ella parecía un ángel con su vestido blanco.
B1 noun æmˈbɪʃ.ən

ambition

ambición
Meaning
A strong desire to do or achieve something, typically requiring determination and hard work.
Example
Their ambition is to build a quantum computer.
Su ambición es construir una computadora cuántica.
A2 noun /əˈtɛnʃən/

attention

atención
Meaning
the act of focusing on something or someone
Example
The teacher asked for the students' attention.
El maestro pidió la atención de los estudiantes.
B2 noun /əkˌsɛs.əˈbɪl.ə.ti/

accessibility

accesibilidad
Meaning
Accessibility or availability, easy availability of any place or service.
Example
Improved accessibility helps people with disabilities.
La accesibilidad mejorada ayuda a las personas con discapacidades.
B2 noun /əkˌseləˈreɪʃən/

acceleration

aceleración
Meaning
the rate at which velocity changes over time; the act of speeding up
Example
The car showed rapid acceleration as it entered the highway.
El coche mostró una aceleración rápida al entrar en la autopista.
B2 noun ədˈvɜː.sɪ.ti

adversity

adversidad
Meaning
Difficulties; misfortune; a difficult or unpleasant situation.
Example
He remained strong in the face of adversity.
Él permaneció fuerte frente a la adversidad.
C2 adjective /əˈsɪdjʊləs/

acidulous

ligeramente ácido o amargo
Meaning
slightly sour or sharp in taste or manner
Example
The critic wrote an acidulous review of the movie.
El crítico escribió una reseña ácida de la película.
C2 adjective /ˈæk.rɪd/

Acrid

ácido y fuerte
Meaning
having a strong, unpleasant, and sharp smell or taste
Example
The acrid smoke from the fire made everyone cough.
El humo acrid del fuego hizo toser a todos.
B1 adjective /ɑːrmd/

armed

armado
Meaning
equipped with or carrying weapons
Example
The bank was robbed by armed men.
El banco fue robado por hombres armados.
B2 noun /ˌæljuˈmɪniəm/

aluminium

aluminio
Meaning
a lightweight, silvery-white metal used widely in manufacturing and packaging
Example
Aluminium is commonly used to make cans and aircraft parts.
El aluminio se usa para fabricar latas y aviones.
C2 noun /ˈæp.ɪˌkʌl.tʃər/

apiculture

apicultura
Meaning
The practice of keeping and raising bees for honey and other products.
Example
Apiculture plays a vital role in agriculture by supporting pollination.
La apicultura juega un papel vital en la agricultura al apoyar la polinización.
B2 verb /ˈælaɪ/

ally

aliado
Meaning
To unite or form a connection or partnership with another person, group, or nation.
Example
The two countries decided to ally against their common enemy.
Los dos países decidieron aliarse contra su enemigo común.
C1 noun /ˌænθrəˈpɒlədʒɪst/

anthropologist

antropólogo
Meaning
a person who studies human societies, cultures, and their development
Example
The anthropologist spent years studying the tribal community.
El antropólogo pasó años estudiando la comunidad tribal.
B2 verb /əˈweɪt/

await

esperar
Meaning
to wait for someone or something; to expect
Example
We await your response with great anticipation.
Esperamos tu respuesta con gran anticipación.
C2 noun /ˌætəlˈjeɪ/

atelier

taller (estudio de un artista o diseñador)
Meaning
A workshop or studio, especially for an artist or designer.
Example
The painter invited us to his atelier to view his new collection.
El pintor nos invitó a su taller para ver su nueva colección.
C1 noun /əˌfɪl.iˈeɪ.ʃən/

affiliation

afiliación
Meaning
The state or process of affiliating or being affiliated; a connection or association.
Example
His affiliation with the company lasted for a decade.
Su afiliación con la empresa duró una década.
C2 noun /ˌɑːrbəˈriːtəm/

arboretum

arborétum
Meaning
a place where trees, shrubs, and plants are grown for scientific study or public display
Example
We visited the city’s arboretum to learn about exotic trees.
Visitamos el arborétum de la ciudad para aprender sobre árboles exóticos.
A2 verb /ˈædvərˌtaɪz/

advertise

anunciar
Meaning
to promote or publicize a product or service
Example
They advertise their products on television.
Ellos anuncian sus productos en la televisión.
B2 noun ədˈvɑːns.mənt

advancement

avance
Meaning
The process of promoting or moving forward; development or improvement in a particular area.
Example
Technological advancement shapes the future.
El avance tecnológico da forma al futuro.
C2 noun /əˈɡrɒnəmi/

agronomy

Agronomía
Meaning
The science and practice of soil management and crop production, focusing on the principles of plant and soil science to optimize agricultural productivity.
Example
Agronomy focuses on soil management and crop production.
La agronomía se enfoca en la gestión del suelo y la producción de cultivos.
C1 adjective /ˈædəmənt/

Adamant

terco; obstinado; firme; inflexible
Meaning
একগুঁয়ে; জেদী; দৃঢ়সংকল্প; অনমনীয়;
Example
She was adamant about her decision to leave the company.
Ella fue terca con su decisión de dejar la empresa.
B1 noun /ədˈvaɪzər/

adviser

asesor
Meaning
a person who gives advice, especially in a professional or official role
Example
He works as a financial adviser at a bank.
Él trabaja como asesor financiero en un banco.
B1 verb /ədˈvaɪz/

advise

aconsejar
Meaning
to recommend what should be done; to give advice
Example
The doctor advised him to rest for a week.
El doctor le aconsejó descansar por una semana.
B1 noun /ədˈmɪʃ.ən/

Admission

admisión; aceptación
Meaning
the process of entering or being allowed to enter a school or organization; accepting that something is true
Example
She gained admission to Harvard University.
Ella consiguió la admisión en la Universidad de Harvard.
A2 verb /əˈtrækt/

attract

atraer
Meaning
to cause someone to have interest or draw something towards
Example
The flowers attract bees with their bright colors.
Las flores atraen a las abejas con sus colores brillantes.
C1 noun /ˈædɪdʒ/

adage

refrán
Meaning
a short, well-known saying that expresses a general truth or piece of advice
Example
The old adage says that honesty is the best policy.
El viejo refrán dice que la honestidad es la mejor política.
B1 verb /ədˈmaɪər/

admire

admirar
Meaning
To respect, appreciate, or look up to someone or something.
Example
I really admire her dedication to education.
Realmente admiro su dedicación a la educación.
B2 adjective /əˈtʃiːvəbl/

achievable

alcanzable
Meaning
Able to be brought about or reached successfully.
Example
Start with achievable steps to stay motivated.
Comienza con pasos alcanzables para mantenerte motivado.
C2 verb /əˈbreɪd/

abrade

desgastar por fricción
Meaning
to scrape or wear away the surface by friction or erosion
Example
The rough cloth can easily abrade the skin.
La tela rugosa puede fácilmente desgastar la piel.
C1 noun /ˌævɒ̃ˈɡɑːrd/

avantgarde

vanguardia
Meaning
people or works that are innovative, experimental, and ahead of their time
Example
The avantgarde of the 20th century reshaped modern art.
La vanguardia del siglo XX remodeló el arte moderno.
C1 noun əˈpreɪ.zəl

appraisal

evaluación
Meaning
An assessment or evaluation of performance or quality.
Example
The annual appraisal determines salary increments.
La evaluación anual determina los incrementos salariales.
C2 noun /ˌæprəˈbeɪʃən/

approbation

aprobación / elogio
Meaning
approval or praise
Example
The plan won the approbation of the board members.
El plan ganó la aprobación de los miembros del consejo.
B2 verb /ˈænəlaɪz/

analyze

analizar
Meaning
to examine something in detail to understand it better or draw conclusions
Example
Scientists analyze data to discover new patterns.
Los científicos analizan los datos para descubrir nuevos patrones.
C2 verb /ˌænɪmədˈvɜːt/

animadvert

criticar
Meaning
To comment critically or unfavorably.
Example
The teacher animadverted on the student's careless mistakes.
El maestro criticó los errores descuidados del estudiante.
B2 adjective /əˈɡriːəbl/

Agreeable

agradable; placentero; encantador; dispuesto a estar de acuerdo
Meaning
pleasant; enjoyable; delightful; willing to agree
Example
The weather is very agreeable today.
El clima es muy agradable hoy.
C2 noun ˌæɡ.roʊ.iˈkɒl.ə.dʒi

agroecology

agroecología
Meaning
A scientific discipline that studies agricultural systems by applying ecological concepts and principles.
Example
Agroecology promotes eco-friendly farming.
La agroecología promueve la agricultura ecológica.
B1 noun /ˈæksɛnt/

accent

acentuación
Meaning
a distinctive way of pronouncing a language, especially one associated with a particular country or region
Example
She spoke English with a strong French accent.
Ella habló inglés con un fuerte acento francés.
C2 noun /əˈdʌltərənt/

adulterant

adulterante
Meaning
a substance added to something else, often food or drink, to reduce its quality or strength
Example
The laboratory found an adulterant in the milk samples.
El laboratorio encontró un adulterante en las muestras de leche.
A2 noun /ˌænɪˈvɜːrsəri/

anniversary

aniversario
Meaning
the yearly recurrence of a date marking a past event
Example
They celebrated their wedding anniversary with a dinner.
Celebraron su aniversario de bodas con una cena.
C1 adjective /əˈrɛstɪŋ/

arresting

atractivo
Meaning
Attracting attention in a striking or impressive way.
Example
The actress gave an arresting performance.
La actriz dio una actuación atractiva.
B1 noun /əˈsɛmbli/

assembly

asamblea
Meaning
a group of people gathered together for a common purpose or the act of putting parts together to form something
Example
The school held an assembly to discuss the new rules.
La escuela celebró una asamblea para discutir las nuevas reglas.
A2 noun /ədˈvaɪs/

advice

consejo
Meaning
Guidance or recommendations offered with regard to prudent future action.
Example
Experts provide advice for better air quality.
Los expertos brindan consejos para mejorar la calidad del aire.
B2 adverb /əˈtræktɪvli/

attractively

de manera atractiva
Meaning
in a pleasing or appealing way; in a manner that draws interest or admiration
Example
The room was attractively decorated with soft lights and plants.
La habitación estaba decorada de manera atractiva con luces suaves y plantas.
B2 noun, verb /ˈædɪkt/ (noun), /əˈdɪkt/ (verb)

addict

adicto
Meaning
a person who is unable to stop using a harmful substance or doing something harmful; to cause someone to become dependent on something
Example
He is a video game addict who spends hours playing every day.
Él es un adicto a los videojuegos que pasa horas jugando todos los días.
C1 adverb /əˈnjuː/

anew

de nuevo
Meaning
In a new or different way; once more.
Example
After the failure, she decided to start her life anew.
Después del fracaso, decidió comenzar su vida de nuevo.
C2 verb /əˈdʒʌdʒ/

adjudge

adjudicar
Meaning
to consider or declare officially in a legal or formal manner
Example
He was adjudged guilty by the court.
Fue declarado culpable por el tribunal.
C2 noun /ˌæŋɡləˈfoʊbiə/

anglophobia

anglofobia
Meaning
Dislike or fear of England, English people, or English culture.
Example
The politician was accused of promoting Anglophobia in his speeches.
El político fue acusado de promover la anglofobia en sus discursos.
A2 noun /ˈæk.tər/

Actor

actor
Meaning
a person whose profession is acting on the stage, in movies, or on television
Example
The famous actor won an award for his performance in the new movie.
El famoso actor ganó un premio por su actuación en la nueva película.
C1 adjective /ˈækʃənəbl̩/

actionable

ejecutable
Meaning
Able to be acted on or giving sufficient reason for legal action.
Example
The lawyer confirmed that the evidence was actionable in court.
El abogado confirmó que la evidencia era ejecutable en la corte.
A2 noun /ækˈtɪv.ə.ti/

Activity

actividad; acción; tarea
Meaning
something that you do for interest or pleasure, or in order to achieve a particular aim
Example
Physical activity is important for good health.
La actividad física es importante para la buena salud.
C2 adjective /ˈæprəbəˌtɔːri/

approbatory

aprobatorio
Meaning
expressing approval or praise
Example
The teacher gave an approbatory nod after reading the essay.
El maestro asintió con la cabeza de manera aprobatoria después de leer el ensayo.
B2 noun /ˈæli/

alley

callejón
Meaning
a narrow passageway between or behind buildings
Example
They walked through a dark alley to reach the main road.
Caminaban por un callejón oscuro para llegar a la calle principal.
B2 noun/verb /ɔːˈdɪʃən/

audition

audición
Meaning
A trial performance by an actor, singer, or musician to demonstrate suitability for a role.
Example
She auditioned for the lead role in the school play.
Ella audicionó para el papel principal en la obra de teatro escolar.
C1 adjective /əˈnɒmələs/

anomalous

anómalo
Meaning
deviating from what is standard, normal, or expected
Example
Scientists observed an anomalous result during the experiment.
Los científicos observaron un resultado anómalo durante el experimento.
C2 noun /ˈæpəˌθɛm/

apothegm

máxima, dicho
Meaning
A short, witty, and instructive saying or maxim.
Example
His speech was filled with apothegms about life and success.
Su discurso estaba lleno de máximas sobre la vida y el éxito.
B2 noun, verb /əˈsɔːlt/

assault

asalto
Meaning
a physical attack or to attack someone violently
Example
He was charged with assault after the fight.
Fue acusado de asalto después de la pelea.
C1 adjective /ˈædʒ.aɪl/

agile

rápido y flexible
Meaning
able to move quickly and easily; quick and adaptable in thinking or action
Example
The startup team was agile in responding to market changes.
El equipo de la startup fue ágil al responder a los cambios del mercado.
B1 verb /əˈdæpt/

adapt

adaptar
Meaning
to adjust or change something to suit new conditions or situations
Example
He quickly adapted to the new environment.
Él rápidamente se adaptó al nuevo entorno.
B2 noun /əkˈnɒlɪdʒmənt/

acknowledgement

reconocimiento
Meaning
the act of recognizing or accepting something as true or valid; an expression of gratitude or recognition
Example
She received an acknowledgement for her contribution to the project.
Recibió un reconocimiento por su contribución al proyecto.
C1 noun /əˈboʊd/

abode

morada
Meaning
a place of residence; a home
Example
They invited us to their humble abode.
Nos invitaron a su humilde morada.
C1 noun /ɑːrˈmɑːdə/

armada

flota de guerra
Meaning
A large fleet of warships.
Example
The Spanish Armada sailed against England in 1588.
La Armada Española navegó contra Inglaterra en 1588.
C2 noun /əˈnjuː.ɪ.ti/

annuity

pensión anual
Meaning
a fixed sum of money paid to someone each year, typically for the rest of their life
Example
She receives an annuity from her late husband's insurance policy.
Ella recibe una pensión anual de la póliza de seguros de su difunto esposo.
A2 adjective /ˈæfrɪkən/

african

africano
Meaning
relating to Africa or its people
Example
She studied African culture in university.
Ella estudió la cultura africana en la universidad.
C2 noun /ˈæmpərˌsænd/

ampersand

ampersand
Meaning
The symbol '&' used to represent the word 'and'.
Example
Use an ampersand instead of writing the word 'and' in the company name.
Usa un ampersand en lugar de escribir la palabra 'y' en el nombre de la empresa.
C2 noun /ˈæpəfθɛm/

apophthegm

dicho o refrán corto, ingenioso y educativo
Meaning
A short, pithy, and instructive saying or maxim.
Example
She always had a witty apophthegm to share at meetings.
Ella siempre tenía un apofema ingenioso para compartir en las reuniones.
C2 verb /əˈbɛt/

abet

fomentar un crimen
Meaning
to encourage or assist someone to commit a crime or wrongdoing
Example
He was accused of abetting the criminals in their escape.
Fue acusado de ayudar a los criminales en su escape.
C1 noun /əˈseɪlənt/

assailant

agresor
Meaning
a person who attacks another
Example
The police arrested the assailant at the scene.
La policía arrestó al agresor en el lugar del crimen.
B2 noun /ˈæd.və.kət/

Advocate

abogado
Meaning
a lawyer who represents clients in court; a person who supports or argues for a cause or policy
Example
The advocate presented strong evidence to defend his client in court.
El abogado presentó pruebas contundentes para defender a su cliente en el juicio.
B2 noun ˈæt.rɪ.bjuːts

attributes

atributos
Meaning
A quality or feature regarded as a characteristic or inherent part of someone or something.
Example
Advanced crops possess beneficial attributes.
Los cultivos avanzados poseen atributos beneficiosos.
B1 adjective /əˈmjuː.zɪŋ/

Amusing

divertido; gracioso; entretenido
Meaning
causing laughter or providing entertainment; funny; enjoyable
Example
The children found the clown's performance very amusing.
Los niños encontraron la actuación del payaso muy divertida.
C2 noun /ænˈtɪpəθi/

antipathy

antipatía
Meaning
a deep-seated feeling of dislike or aversion toward something or someone
Example
There was a mutual antipathy between the two rival companies.
Había una antipatía mutua entre las dos empresas rivales.
C1 adjective /ˈɔːrəl/

aural

aural
Meaning
Relating to the ear or the sense of hearing.
Example
The lecture was an aural experience as well as an intellectual one.
La conferencia fue una experiencia aural, además de intelectual.
B2 noun əˌpriː.ʃiˈeɪ.ʃən

appreciation

apreciación
Meaning
An increase in the value of an asset over time.
Example
Real estate properties often experience appreciation over time.
Las propiedades inmobiliarias a menudo experimentan apreciación con el tiempo.
B1 noun əˈnæl.ə.sɪs

analysis

análisis
Meaning
Detailed examination and evaluation of data or information to understand its components and relationships.
Example
Data analysis is crucial for machine learning models.
El análisis de datos es crucial para los modelos de aprendizaje automático.
A2 noun /əˈbɪləti/

Ability

habilidad; capacidad
Meaning
the power or skill to do something; capacity
Example
She has the ability to solve complex problems.
Ella tiene la habilidad de resolver problemas complejos.
B2 noun /ɔːˈtɒn.ə.məs ˈviː.ɪ.kəlz/

autonomous vehicles

vehículos autónomos
Meaning
Vehicles that can operate and move without human intervention or control.
Example
Autonomous vehicles are revolutionizing the future of transport.
Los vehículos autónomos están revolucionando el futuro del transporte.
C2 noun /əˈpɜːrtənənsɪz/

appurtenances

pertenencias
Meaning
Additional items or accessories associated with something, often used in a legal or property context.
Example
The house was sold along with all its appurtenances, including the garage and garden.
La casa fue vendida junto con todas sus pertenencias, incluyendo el garaje y el jardín.
C1 noun /ˈeɪ.peks/

apex

ápice, cumbre, pico más alto
Meaning
The highest point or peak of something; the top or summit.
Example
He reached the apex of his career.
Él alcanzó el ápice de su carrera.
B1 noun /ˈædvərˌtaɪzɪŋ/

advertising

publicidad
Meaning
the activity of producing advertisements for products or services
Example
The company spends millions on advertising every year.
La empresa gasta millones en publicidad cada año.
B2 adjective, noun /ədˈvaɪzəri/

advisory

asesor
Meaning
(adjective) having the power to give advice but not to make sure that it is followed; (noun) an official announcement containing information or a warning
Example
The committee serves in an advisory capacity to the board of directors.
El comité sirve en una capacidad asesora para la junta directiva.
C1 adjective /ˌæprɪˈhɛnsɪv/

apprehensive

ansioso
Meaning
feeling anxious or fearful that something bad will happen
Example
He was apprehensive about starting a new job in a foreign country.
Estaba ansioso por comenzar un nuevo trabajo en un país extranjero.
A1 adjective, adverb /əˈloʊn/

alone

solo
Meaning
having no one else present; on one's own
Example
She prefers to live alone in her apartment.
Ella prefiere vivir sola en su apartamento.
C1 verb /əˈbɔːrt/

abort

abortar; cancelar
Meaning
to stop a process or action before it is completed; to end a pregnancy deliberately
Example
The pilot decided to abort the mission due to bad weather.
El piloto decidió abortar la misión por el mal tiempo.
C1 verb /ˈeɪ.li.ə.neɪt/

alienate

alienar
Meaning
To make someone feel isolated or estranged; to cause someone to become unfriendly.
Example
His rude behavior alienated many of his friends.
Su comportamiento grosero alienó a muchos de sus amigos.
C2 adjective /əˈluːviəl/

alluvial

aluvial
Meaning
Relating to or derived from alluvium (loose soil or sediment deposited by rivers).
Example
The farmers cultivate crops on the fertile alluvial plains.
Los agricultores cultivan cultivos en las fértiles llanuras aluviales.
A1 noun /ænt/

aunt

tía
Meaning
the sister of your father or mother, or the wife of your uncle
Example
My aunt always gives me gifts on my birthday.
Mi tía siempre me da regalos en mi cumpleaños.
C2 adjective /ɔːˈrɔːrəl/

auroral

relacionado con la aurora
Meaning
Relating to or resembling the aurora, especially the northern lights.
Example
The scientists observed auroral activity in the night sky.
Los científicos observaron actividad auroral en el cielo nocturno.
A2 verb /əˈpɪə/

appear

aparecer
Meaning
to become visible or come into sight; to seem
Example
She appeared suddenly at the door.
Ella apareció de repente en la puerta.
C1 adjective /ˌæbəˈrɪdʒənəl/

aboriginal

aborigen
Meaning
Relating to the original inhabitants of a region.
Example
The museum has a large collection of aboriginal art.
El museo tiene una gran colección de arte aborigen.
C2 noun əˌten.juˈeɪ.ʃən

attenuation

atenuación, reducción, debilitamiento
Meaning
The reduction of the force, effect, or value of something.
Example
The attenuation of sound waves affects communication.
La atenuación de las ondas sonoras afecta la comunicación.
C1 adjective /æmˈbɪvələnt/

ambivalent

ambivalente
Meaning
Having mixed or contradictory feelings about something or someone.
Example
She was ambivalent about accepting the new job offer.
Ella estaba ambivalente acerca de aceptar la nueva oferta de trabajo.
C2 adjective /eɪˈsɛptɪk/

aseptic

libre de gérmenes
Meaning
Free from contamination caused by harmful microorganisms; sterile.
Example
Surgeons must work in an aseptic environment to prevent infection.
Los cirujanos deben trabajar en un ambiente aséptico para prevenir infecciones.
B1 noun /əˈsaɪnmənt/

assignment

tarea
Meaning
a task or piece of work given to someone as part of their duties
Example
The students completed their homework assignment on time.
Los estudiantes completaron su tarea de hogar a tiempo.
B2 adjective /əˈkuːstɪk/

acoustic

acústico
Meaning
relating to sound or the sense of hearing; not amplified by electrical means
Example
We recorded an acoustic version of the song in a quiet room.
Grabamos una versión acústica de la canción en una habitación tranquila.
C1 verb /əˈpɛnd/

append

agregar
Meaning
to add something as an attachment or supplement, usually at the end of a document or list
Example
She decided to append a note to the end of the report.
Ella decidió agregar una nota al final del informe.
B2 noun /ˈɔːkʃən/

Auction

subasta
Meaning
a public sale in which goods or property are sold to the highest bidder
Example
The antique furniture was sold at an auction last weekend.
Los muebles antiguos fueron vendidos en una subasta el fin de semana pasado.
C2 noun /ˈæltruɪst/

altruist

altruista
Meaning
a person who has an unselfish concern for the welfare of others
Example
He is an altruist who always puts others' needs before his own.
Él es un altruista que siempre pone las necesidades de los demás antes que las suyas propias.
B2 noun ˈæk.tɪv rɪˈkɔːl

Active recall

recuerdo activo
Meaning
A learning technique that involves actively trying to retrieve information from memory rather than passively reviewing material.
Example
Active recall improves long-term memory and retention.
El recuerdo activo mejora la memoria a largo plazo y la retención.
B2 adjective, noun, verb /ˈæb.strækt/

abstract

abstracto, resumen
Meaning
existing in thought or as an idea but not having physical or concrete existence; a summary of a text
Example
The artist is known for her abstract paintings.
La artista es conocida por sus pinturas abstractas.
C2 noun /ˌɔːltərˈkeɪʃən/

altercation

altercado, pelea
Meaning
a noisy argument or quarrel
Example
There was a brief altercation between the two drivers.
Hubo una breve altercación entre los dos conductores.
C1 verb /əˈfɪliˌeɪt/

affiliate

afiliar
Meaning
to officially attach or connect (a group or organization) to a larger body
Example
The school is affiliated with the local university.
La escuela está afiliada a la universidad local.
B2 noun /əˈsɜːʃən/

assertion

afirmación
Meaning
a confident and forceful statement of fact or belief
Example
Her assertion that she was right was met with silence.
Su afirmación de que tenía razón fue recibida con silencio.
C1 verb /əˈsæsɪneɪt/

assassinate

asesinar
Meaning
To murder someone important, often a political or religious leader, usually by surprise attack.
Example
The rebels planned to assassinate the king.
Los rebeldes planearon asesinar al rey.
A2 noun /ˈɑːrtɪkl/

article

artículo
Meaning
a piece of writing included in a newspaper, magazine, or journal
Example
He wrote an article about climate change.
Escribió un artículo sobre el cambio climático.
A2 verb əˈdres

address

abordar
Meaning
To deal with or tackle (a problem or issue); to focus attention on.
Example
The government must address the issues of student politics.
El gobierno debe abordar los problemas de la política estudiantil.