reciprocity
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C1 noun /ˌrɛs.ɪˈprɒs.ɪ.ti/

reciprocity

la práctica de intercambiar cosas con otros para beneficio mutuo
Meaning
The practice of exchanging things with others for mutual benefit.
Example
Business relationships thrive on reciprocity.
Las relaciones comerciales prosperan gracias a la reciprocidad.
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.
C1 adjective /hjuːˈmeɪn/

humane

humano
Meaning
Showing compassion or benevolence.
Example
The doctor provided humane treatment to the injured animals.
El médico proporcionó tratamiento humano a los animales heridos.
C1 noun /pəˈθɒlədʒi/

pathology

patología
Meaning
the scientific study of diseases, their causes, processes, and effects on the body
Example
Advances in pathology helped the doctors identify the rare infection quickly.
Los avances en patología ayudaron a los médicos a identificar rápidamente la rara infección.
B2 adverb /ˈkɒnsɪkwəntli/

consequently

por lo tanto
Meaning
as a result; therefore
Example
He didn’t study, and consequently he failed the exam.
Él no estudió, y por lo tanto reprobó el examen.
A2 noun /ˈpoʊɪm/

poem

poema
Meaning
a piece of writing that expresses ideas, feelings, or tells a story in a distinct form, often using rhyme or meter
Example
She wrote a beautiful poem for her mother.
Ella escribió un hermoso poema para su madre.
B2 noun /taɪˈfuːn/

typhoon

tifón
Meaning
a tropical storm in the region of the Indian or western Pacific oceans
Example
The typhoon caused severe flooding in the coastal areas.
El tifón causó graves inundaciones en las áreas costeras.
B2 verb /ˈkʌltɪveɪt/

cultivate

cultivar
Meaning
to grow crops or plants; to develop or improve something
Example
Farmers cultivate rice in the paddy fields.
Los agricultores cultivan arroz en los campos de arroz.
B1 noun /feɪk/

Fake

falsificación; fraude; objeto falso
Meaning
a thing that is not genuine; a forgery or sham
Example
The painting was discovered to be a fake worth very little money.
Se descubrió que la pintura era una falsificación de muy poco valor.
C1 noun /ˌmɔːrəˈtɔːriəm/

moratorium

moratoria
Meaning
A temporary suspension or delay of an activity, law, or obligation.
Example
The government announced a moratorium on new mining licenses.
El gobierno anunció una moratoria sobre las nuevas licencias de minería.
C2 noun /bɛl/

belle

bella mujer
Meaning
A beautiful woman, especially the most attractive woman at a gathering.
Example
She was the belle of the ball that evening.
Ella era la bella de la fiesta esa noche.
C1 verb /priːˈɒkjʊpaɪ/

preoccupy

preocupar, obsesionar
Meaning
To dominate or engross the mind of someone to the exclusion of other thoughts.
Example
Worries about the future preoccupy him constantly.
Las preocupaciones sobre el futuro lo ocupan constantemente.
C1 adjective /loʊθ/

loath

reacio
Meaning
reluctant or unwilling to do something
Example
She was loath to admit her mistake in front of everyone.
Ella estaba reacia a admitir su error frente a todos.
B2 noun ˌɜːbənaɪˈzeɪʃən

urbanization

urbanización
Meaning
The process by which towns and cities are formed and become larger as more people begin living and working in central areas.
Example
Urbanization leads to more developed infrastructure.
La urbanización conduce a una infraestructura más desarrollada.
C1 noun /ˈdɒktrɪn/

doctrine

doctrina
Meaning
A set of beliefs or principles held and taught by a religious, political, or other group.
Example
The church follows a strict doctrine on moral values.
La iglesia sigue una estricta doctrina sobre los valores morales.
B2 verb /rɪˈzuːm/

resume

reanudar
Meaning
to start again after a pause or interruption
Example
We will resume the meeting after lunch.
Reanudaremos la reunión después del almuerzo.
A1 adjective /oʊld/

old

viejo
Meaning
having lived for a long time; not new or young
Example
He still drives his old car.
Él todavía conduce su coche viejo.
B2 noun /buːˈtiːk/

boutique

tienda de moda
Meaning
a small shop that sells fashionable clothes or accessories
Example
She bought a beautiful dress from a boutique downtown.
Ella compró un hermoso vestido en una tienda de moda en el centro.
C2 noun /ˈkaɪrəˌmænsi/

chiromancy

quiromancia
Meaning
The practice of predicting the future by interpreting the lines on the palms of hands; palmistry.
Example
The old woman practiced chiromancy and told fortunes for travelers.
La anciana practicaba la quiromancia y decía el futuro a los viajeros.
B1 noun/verb /ˈprɛʃər/

pressure

presión
Meaning
the force applied to something or the feeling of stress or tension
Example
The pressure of the situation made him nervous.
La presión de la situación lo hizo sentirse nervioso.
C1 noun /ˈhɛrəsi/

heresy

herejía
Meaning
belief or opinion that goes against established religious doctrine or accepted beliefs.
Example
In medieval times, heresy was often punished severely.
En la Edad Media, la herejía a menudo se castigaba severamente.
C2 noun /ˈliː.vɪŋz/

Leavings

restos; sobras
Meaning
things that have been left behind or remain; remnants or scraps
Example
The leavings from dinner were given to the dog.
Los restos de la cena fueron dados al perro.
C2 noun /ˈlæɡ.ərd/

Laggard

persona que avanza lentamente y queda atrás de los demás
Meaning
a person who makes slow progress and falls behind others; someone who is slow to act
Example
The laggard student finally submitted his assignment after the deadline.
El estudiante rezagado finalmente entregó su tarea después de la fecha límite.
C1 noun/adjective /ˈbæstərd/

bastard

bastardo
Meaning
a child born to unmarried parents (offensive); also used informally as an insult or to describe something unpleasant
Example
He called him a bastard in anger.
Lo llamó bastardo con ira.
C2 noun /laɪər/

lyre

lira
Meaning
a stringed musical instrument of ancient Greece
Example
The musician played a melody on the lyre.
El músico tocó una melodía en la lira.
A2 adverb /ˈnoʊwɛr/

Nowhere

en ningún lado
Meaning
not anywhere; in no place
Example
I searched everywhere but the keys were nowhere to be found.
Busqué por todas partes pero las llaves no estaban en ningún lado.
A2 verb /kaʊnt/

count

contar
Meaning
to determine the total number of something
Example
She carefully counted the money on the table.
Ella contó cuidadosamente el dinero sobre la mesa.
B2 noun /ˌɔː.θɛnˈtɪs.ə.ti/

authenticity

autenticidad
Meaning
The quality of being authentic; genuineness or truthfulness.
Example
The authenticity of the document was verified.
La autenticidad del documento fue verificada.
B1 verb /spɛl/

spell

deletrear
Meaning
to write or name the letters of a word in order; to mean or result in something
Example
Can you spell your name for me?
¿Puedes deletrear tu nombre para mí?
B2 noun ˌrev.əˈluː.ʃənz

revolutions

revoluciones
Meaning
Dramatic and wide-reaching changes in political, social, or economic systems, often involving the overthrow of a government or social order.
Example
Revolutions often lead to significant societal changes.
Las revoluciones a menudo conducen a cambios sociales significativos.
C1 noun/verb /ˈrɛprɪˌmænd/

reprimand

reprensión
Meaning
A formal expression of disapproval; to scold or criticize someone officially.
Example
The teacher reprimanded the student for being late.
El maestro reprendió al estudiante por llegar tarde.
B1 adjective /ˌækəˈdɛmɪk/

academic

académico
Meaning
related to education, learning, or scholarly activities
Example
She has an outstanding academic record.
Ella tiene un registro académico sobresaliente.
C1 adjective /ɪnˈsɒlvənt/

insolvent

insolvente
Meaning
unable to pay debts owed
Example
The insolvent firm could not meet its financial obligations.
La empresa insolvente no pudo cumplir con sus obligaciones financieras.
C1 verb /ˌdɪskənˈsɜːrt/

disconcert

desconcertar
Meaning
To unsettle, confuse, or disturb the composure of someone.
Example
The sudden change of plans disconcerted the team.
El cambio repentino de planes desconcertó al equipo.
C1 adjective /ɪmˈpæsɪv/

impassive

impasible
Meaning
Not showing or feeling emotion; expressionless.
Example
Despite the shocking news, she remained impassive.
A pesar de las noticias impactantes, ella permaneció impasible.
C1 adjective /ɪmˈpɜːrtɪnənt/

impertinent

impertinente
Meaning
rude and showing a lack of respect
Example
It was impertinent of him to question the manager's decision.
Fue impertinente de su parte cuestionar la decisión del gerente.
B2 adjective /ˈdɪl.ɪ.dʒənt/

Diligent

diligente
Meaning
hardworking and careful; showing persistent effort
Example
She is a diligent student who studies every day.
Ella es una estudiante diligente que estudia todos los días.
C1 adjective /ˈpraɪ.məl/

primal

primitivo, esencial
Meaning
Relating to the earliest stage of development; essential or fundamental.
Example
Fear is one of the most primal emotions humans experience.
El miedo es una de las emociones más primarias que los humanos experimentan.
A2 adjective /ˈsɪmələr/

Similar

similar; con características comunes
Meaning
alike; having characteristics in common
Example
The two sisters have similar interests in music.
Las dos hermanas tienen intereses similares en música.
C1 noun /meɪl treɪn/

Mail train

tren correo
Meaning
a train that carries mail and postal packages
Example
The mail train departs every evening to deliver letters across the country.
El tren postal sale todas las tardes para entregar cartas a través del país.
C1 adjective /ɪˈrɛfjʊtəbəl/

Irrefutable

irrefutable
Meaning
impossible to deny or disprove; undeniable
Example
The evidence against him was irrefutable.
La evidencia en su contra era irrefutable.
B1 noun /ˈmɪk.sər/

Mixer

batidora
Meaning
an electric kitchen appliance used for mixing, beating, and whipping ingredients
Example
The chef used a mixer to prepare the cake batter.
El chef usó una batidora para preparar la masa del pastel.
C2 adjective /ˌmɔːrɡəˈnætɪk/

morganatic

matrimonio morganático
Meaning
relating to a marriage in which one partner, usually of lower social rank, does not share the titles or privileges of the other
Example
The prince entered into a morganatic marriage with a commoner.
El príncipe entró en un matrimonio morganático con una plebeya.
C2 noun /boʊl/

bole

tronco de árbol
Meaning
the trunk of a tree
Example
The bole of the tree was thick and strong.
El tronco del árbol era grueso y fuerte.
C2 noun /ˈfɜːrnəri/

fernery

fernería, lugar donde se cultivan helechos
Meaning
a place or greenhouse where ferns are cultivated
Example
The garden's fernery was full of exotic plants.
La jardinera estaba llena de plantas exóticas en la fernería.
A2 noun /ˈkʌm.pə.ni/

company

empresa
Meaning
a business organization; the presence of other people
Example
She started her own company to sell handmade products.
Ella comenzó su propia empresa para vender productos hechos a mano.
B2 noun /ˌmænjəˈfæktʃərər/

manufacturer

fabricante
Meaning
A person or company that makes goods in large quantities.
Example
The manufacturer produces cars for the global market.
El fabricante produce autos para el mercado global.
C2 verb /ˌdɛlɪˈkwɛs/

deliquesce

volverse líquido al absorber humedad del aire
Meaning
to become liquid by absorbing moisture from the air
Example
The salt began to deliquesce after being left in the humid room.
La sal comenzó a deliquescer después de dejarla en la habitación húmeda.
B2 noun /dɪˈtɜːrdʒənt/

detergent

detergente
Meaning
a substance used for cleaning, especially for washing clothes and dishes
Example
She bought a new brand of detergent for laundry.
Ella compró una nueva marca de detergente para la lavandería.
C1 verb ɪˈmɜːrs

immerse

sumergir
Meaning
To involve oneself deeply in a particular activity or interest; to surround completely.
Example
Immerse yourself in the new language.
Sumérgete en el nuevo idioma.
C2 noun /ˈɜːrtʃɪn/

urchin

niño travieso de la calle
Meaning
a mischievous or poorly dressed child, often from the streets
Example
The ragged urchins played by the riverbank.
Los niños callejeros con ropa rasgada jugaban junto al río.
C2 adjective /ˈluː.ni/

Loony

loco; tonto; inestable mentalmente
Meaning
crazy; silly; mentally unstable
Example
His loony behavior made everyone laugh.
Su comportamiento loco hizo reír a todos.
C1 verb /ˈfæbrɪkeɪt/

fabricate

fabricar
Meaning
to invent or concoct something, often with the intent to deceive; or to construct or manufacture
Example
The witness fabricated his testimony to protect himself.
El testigo fabricó su testimonio para protegerse.
B2 noun ˈstræt.ɪ.dʒiz

strategies

estrategias
Meaning
A plan of action designed to achieve a long-term or overall aim; the art of planning and directing operations.
Example
Effective strategies can mitigate climate change impacts.
Las estrategias efectivas pueden mitigar los impactos del cambio climático.
C2 noun /ˈspuːnərɪzəm/

spoonerism

espúnarismo
Meaning
A verbal error in which the initial sounds of words are swapped to create a humorous effect.
Example
He made a spoonerism by saying 'queer old dean' instead of 'dear old queen'.
Hizo un espúnarismo al decir 'querido viejo dean' en lugar de 'querida vieja reina'.
B2 noun /diːp siː/

deep sea

mar profundo
Meaning
The deep parts of the sea or ocean, typically beyond the continental shelf.
Example
Many deep-sea creatures produce bioluminescence for survival.
Muchas criaturas del mar profundo producen bioluminiscencia para sobrevivir.
C1 verb /niːd/

knead

amasar
Meaning
to work dough or clay into a uniform mixture by pressing, folding, and stretching
Example
She kneads the dough until it becomes smooth.
Ella amasa la masa hasta que se vuelve suave.
C1 adjective ʌnˈpær.ə.leld

Unparalleled

incomparable
Meaning
Having no equal; unmatched, peerless, and supreme in quality or achievement.
Example
The unparalleled beauty of the Taj Mahal amazes visitors.
La belleza incomparable del Taj Mahal asombra a los visitantes.
C2 noun /səbˈmɜːrʒən/

submersion

inmersión
Meaning
the state of being under water
Example
The submersion of the fields lasted for several days after the heavy rain.
La inmersión de los campos duró varios días después de la lluvia fuerte.
C2 noun /dɪˈfoʊliənt/

defoliant

defoliante
Meaning
a chemical that causes leaves to drop from plants, often used in warfare or agriculture
Example
The army sprayed defoliant to clear the forest cover.
El ejército roció defoliante para despejar la cobertura forestal.
B1 adjective /eɪdʒd/

aged

anciano
Meaning
having lived for a specified number of years; old
Example
The aged man sat in the park, watching the children play.
El anciano estaba sentado en el parque, mirando a los niños jugar.
C2 noun /kənˈtjuː.ʒən/

contusion

moretón, contusión
Meaning
a bruise or injury without breaking the skin
Example
The boxer had several contusions after the match.
El boxeador tenía varias contusiones después del partido.
B2 noun /truːp/

Troop

tropa
Meaning
a group of soldiers; military personnel organized as a unit
Example
The troop marched in formation across the parade ground.
La tropa marchó en formación a través del campo de la parada.
C2 adjective /ˈfraʊzi/

frowsy

desordenado
Meaning
Scruffy and neglected in appearance; musty or stale in smell.
Example
He wore a frowsy old jacket that smelled of damp.
Él llevaba una chaqueta desordenada y vieja que olía a humedad.
C1 noun /kəˈres/

Caress

caricia
Meaning
a gentle or loving touch
Example
The mother's gentle caress calmed the crying baby.
El suave cariño de la madre calmó al bebé llorando.
C1 verb /ˈdɪs.ɪ.peɪt/

dissipate

desaparecer gradualmente
Meaning
To disappear or cause to disappear gradually.
Example
The tension in the room slowly dissipated.
La tensión en la sala desapareció lentamente.
C2 adjective /dɪˈlɛktəbl̩/

delectable

delicioso
Meaning
delicious or highly enjoyable
Example
The restaurant served a delectable meal.
El restaurante sirvió una comida deliciosa.
C2 verb /kənˈdʒiːl/

congeal

congelarse
Meaning
to become thick or solid, especially from cooling
Example
The soup began to congeal after being left on the table.
La sopa comenzó a congelarse después de haber sido dejada sobre la mesa.
C1 noun /ˈherən/

Heron

garza
Meaning
large wading bird with long legs and neck that feeds on fish
Example
The heron stood motionless by the water's edge, waiting for fish.
La garza estaba inmóvil junto a la orilla del agua, esperando a los peces.
C2 adjective /ˈsɪlvən/

sylvan

boscosa
Meaning
Relating to or characteristic of the woods or forest.
Example
The cottage was set in a sylvan landscape full of tall trees.
La cabaña estaba situada en un paisaje boscosa lleno de árboles altos.
C1 noun /ˈmɒd.ə.sti/

Modesty

modestia; humildad
Meaning
the quality of being humble and not boastful about achievements
Example
Despite his success, he showed great modesty.
A pesar de su éxito, mostró gran modestia.
A2 noun /keɪdʒ/

Cage

jaula
Meaning
a structure with bars or wire for keeping birds or animals
Example
The parrot lives in a large cage.
El loro vive en una jaula grande.
B2 adjective /ʌnˈkɒmən/

uncommon

poco común
Meaning
rare, unusual, or remarkable
Example
It is uncommon to see snow in this region.
Es raro ver nieve en esta región.
B2 verb əbˈzɜːrvd

observed

celebrar
Meaning
To celebrate or keep a religious or other festival.
Example
The day is observed annually to raise awareness.
El día se celebra anualmente para aumentar la conciencia.
B2 noun /ˈɑːr.mər/

Armour

armadura
Meaning
protective covering worn by soldiers; metal plating for military vehicles
Example
The knight wore heavy armour to protect himself in battle.
El caballero llevaba una armadura pesada para protegerse en la batalla.
C2 adjective /ˈkɒs.ɪ.tɪd/

cosseted

sobreprotegido
Meaning
pampered, treated with excessive care and attention
Example
The cosseted child always got what he wanted.
El niño sobreprotegido siempre obtenía lo que quería.
C1 adjective ʌnˈmætʃt

unmatched

incomparable
Meaning
Not equaled or rivaled by any other; without equal.
Example
The freedom fighters showed unmatched bravery.
Los luchadores por la libertad demostraron valentía incomparable.
C2 adjective /eɪˈsɛfələs/

acephalous

acéfalo
Meaning
having no leader or head; headless
Example
The acephalous group soon fell into disorganization.
El grupo acéfalo pronto cayó en desorganización.
C1 noun /ˌtɒləˈreɪʃən/

toleration

tolerancia
Meaning
The practice of allowing something that one does not necessarily agree with.
Example
The government promoted religious toleration.
El gobierno promovió la tolerancia religiosa.
C1 noun /ˈhæv.ək/

Havoc

destrucción generalizada; gran confusión o desorden; caos
Meaning
widespread destruction; great confusion or disorder; chaos
Example
The hurricane wreaked havoc on the coastal towns, destroying homes and businesses.
El huracán causó estragos en las ciudades costeras, destruyendo casas y negocios.
A2 noun /seɪl/

sale

venta
Meaning
the exchange of a commodity for money; the action of selling something
Example
The store is having a sale on winter clothing.
La tienda está teniendo una venta de ropa de invierno.
A2 noun /dɪˈzæs.tər/

Disaster

desastre
Meaning
a sudden event causing great damage or loss of life; a complete failure
Example
The earthquake was a natural disaster that affected thousands of families.
El terremoto fue un desastre natural que afectó a miles de familias.
C2 noun /kəˈtæb.ə.lɪ.zəm/

catabolism

catabolismo
Meaning
The breakdown of complex molecules in living organisms to form simpler ones together with the release of energy; destructive metabolism.
Example
Catabolism plays a crucial role in cellular energy production.
El catabolismo juega un papel crucial en la producción de energía celular.
C1 adjective /tænˈdʒɛnʃəl/

tangential

tangencial
Meaning
relating to or along a tangent; slightly or indirectly related to something
Example
His remarks were tangential to the main topic of discussion.
Sus comentarios fueron tangenciales al tema principal de la discusión.
B2 adjective /ˈlɪniər/

linear

lineal
Meaning
Arranged in or extending along a straight line.
Example
The artist used linear perspective in his drawings.
El artista utilizó la perspectiva lineal en sus dibujos.
A1 article /æn/

an

un/una
Meaning
used before a noun to refer to a non-specific item that begins with a vowel sound
Example
She ate an apple for breakfast.
Ella comió una manzana para el desayuno.
A2 noun /ˈkɒmədi/

comedy

comedia
Meaning
A type of entertainment that is intended to make people laugh.
Example
We watched a hilarious comedy at the theater.
Vimos una comedia divertida en el teatro.
A2 adverb /twaɪs/

twice

dos veces
Meaning
two times
Example
I have seen that movie twice.
He visto esa película dos veces.
B2 verb /dɪˈmɒlɪʃ/

demolish

demoler
Meaning
to destroy completely, especially a building or structure
Example
The city decided to demolish the old stadium to build a new one.
La ciudad decidió demoler el viejo estadio para construir uno nuevo.
C1 adjective ɪnˈkʌm.bənt

incumbent

obligatorio
Meaning
necessary for (someone) as a duty or responsibility.
Example
It is incumbent upon all citizens to obey the law.
Es obligatorio para todos los ciudadanos obedecer la ley.
C2 adjective /ˈdæpər/

dapper

elegante y bien vestido
Meaning
Neat, stylish, and well-dressed in appearance.
Example
He looked very dapper in his new suit.
Él se veía muy elegante con su nuevo traje.
C1 adjective /pləˈtɒnɪk/

platonic

platónico
Meaning
relating to a close relationship that is not romantic or sexual
Example
They have a platonic friendship that has lasted for years.
Tienen una amistad platónica que ha durado años.
C1 noun /ˈfaɪərɑːm/

firearm

arma de fuego
Meaning
a weapon capable of firing a projectile using gunpowder or other propellant
Example
The police found a hidden firearm during the investigation.
La policía encontró un arma de fuego oculta durante la investigación.
B2 noun /ɔːrˈɡæn.ɪk ˈfɑːr.mɪŋ/

organic farming

agricultura orgánica
Meaning
Farming method that avoids synthetic chemicals and fertilizers, using natural methods instead.
Example
Organic farming improves soil health and reduces pollution.
La agricultura orgánica mejora la salud del suelo y reduce la contaminación.
C1 noun /ˈplʌn.dər.ər/

Plunderer

saqueador
Meaning
a person who steals goods, especially during war or civil disorder
Example
The plunderers ransacked the village after the battle.
Los saqueadores saquearon el pueblo después de la batalla.
C1 adjective ˈluː.sɪd

lucid

claro y fácil de entender
Meaning
Clear and easily understandable thoughts or explanations.
Example
His explanation was so lucid that everyone understood it.
Su explicación era tan clara que todos la entendieron.
C1 verb /ɪnˈθjuːz/

enthuse

entusiasmar
Meaning
to express excitement or admiration
Example
She enthused about her trip to Italy.
Ella expresó su entusiasmo por su viaje a Italia.
C1 noun /ˈɑn.set/

Onset

inicio; comienzo
Meaning
the beginning or early stages of something; the start of a medical condition
Example
The onset of winter brought heavy snowfall.
El inicio del invierno trajo fuertes nevadas.
C1 adjective /mʌnˈdeɪn/

mundane

mundano
Meaning
lacking interest or excitement; dull and ordinary
Example
She tried to escape her mundane routine by traveling.
Ella intentó escapar de su rutina mundana viajando.
B2 verb /oʊˈmɪt/

omit

omitir
Meaning
to leave out or exclude; to fail to include something
Example
Please don't omit any important details from your report.
Por favor, no omitas detalles importantes de tu informe.
C1 noun /twɪndʒ/

twinge

dolor agudo
Meaning
a sudden, sharp pain or an emotional pang
Example
He felt a twinge of guilt after lying to his friend.
Sintió un dolor agudo de culpa después de mentirle a su amigo.
C1 adjective ˌdet.rɪˈmen.təl

detrimental

detrimental
Meaning
Tending to cause harm; damaging or harmful.
Example
Pollution has detrimental effects on fertility.
La contaminación tiene efectos perjudiciales sobre la fertilidad.
B1 noun ɪˈkwɒl.ə.ti

equality

igualdad
Meaning
The state of being equal, especially in status, rights, and opportunities.
Example
Equality in education is a key goal.
La igualdad en la educación es un objetivo clave.
B2 noun /sɜːˈveɪ.ləns/

surveillance

vigilancia
Meaning
Close observation, especially of a suspected spy or criminal; continuous watching of a place, person, or situation.
Example
Government agencies conduct surveillance on cyber threats.
Las agencias gubernamentales realizan vigilancia sobre las amenazas cibernéticas.
C1 noun /ˈpɜːrkəleɪtər/

percolator

percolador de café
Meaning
A device used for brewing coffee by continually cycling boiling water through coffee grounds.
Example
She made a fresh pot of coffee using the percolator.
Hizo una taza fresca de café utilizando el percolador.
C1 noun /ˌɑːr.kəˈpɛl.əˌɡoʊ/

archipelago

archipiélago
Meaning
A group of islands clustered together in a body of water.
Example
Indonesia is an archipelago with thousands of islands.
Indonesia es un archipiélago con miles de islas.
C2 noun /ˈæn.əlz/

annals

anales
Meaning
Historical records of events, usually arranged chronologically.
Example
Her name will be remembered in the annals of science.
Su nombre será recordado en los anales de la ciencia.
C1 verb /ˈtiːtər/

teeter

tambalear
Meaning
to move or balance unsteadily; to wobble
Example
The glass began to teeter on the edge of the table.
El vaso comenzó a tambalearse en el borde de la mesa.
B2 noun /braʊ/

brow

frente
Meaning
the part of the face above the eyes; forehead
Example
She wiped the sweat from her brow.
Ella se limpió el sudor de la frente.
B2 adjective /ˈlætər/

latter

el segundo
Meaning
the second of two people or things mentioned
Example
Between tea and coffee, I prefer the latter.
Entre el té y el café, prefiero el segundo.
C2 noun /ˈɪntərˌveɪl/

intervale

terreno bajo a lo largo de un río, generalmente fértil y plano
Meaning
A low-lying tract of land along a river, usually fertile and flat.
Example
The farmers cultivated crops on the lush intervale by the river.
Los agricultores cultivaron cosechas en el intervalo fértil junto al río.
C2 noun /ˈæl.ɪ.mənt/

aliment

alimento
Meaning
food or nourishment that sustains life
Example
Fruits and vegetables are important aliments for a healthy body.
Las frutas y verduras son alimentos importantes para un cuerpo saludable.
B1 noun /ˌiːkəˈnɒmɪks/ or /ˌɛkəˈnɒmɪks/

economics

economía
Meaning
The study of production, consumption, and transfer of wealth.
Example
He is studying economics at university.
Está estudiando economía en la universidad.
C2 adjective /ˌɛl.ɪˈdʒaɪ.ək/

elegiac

elegíaco
Meaning
Expressing sorrow, often for something past; resembling an elegy.
Example
The novel ends on an elegiac note, mourning the lost era.
La novela termina con una nota elegíaca, lamentando la era perdida.
B1 verb /ˌɛntərˈteɪn/

entertain

entretener
Meaning
to provide amusement, enjoyment, or hospitality to others
Example
The comedian entertained the audience with his jokes.
El comediante entretuvo al público con sus chistes.
A2 adjective /əˈtræk.tɪv/

Attractive

atractivo
Meaning
pleasing or appealing to the senses; having a quality that draws interest
Example
The garden looks very attractive in spring.
El jardín se ve muy atractivo en primavera.
C1 noun /ˈtɜː.mɔɪl/

turmoil

turmoil
Meaning
A state of great disturbance, confusion, or uncertainty.
Example
The political turmoil led to mass protests.
El turmoil político llevó a protestas masivas.
C2 noun /ɪˈpɪsəl/

epistle

epístola
Meaning
A letter, especially a formal or didactic one; often used for letters in the New Testament.
Example
He wrote a long epistle to his friend about his travels.
Escribió una larga epístola a su amigo sobre sus viajes.
B1 noun /ˌmɪl.jəˈneər/

Millionaire

millonario
Meaning
A person whose wealth equals or exceeds one million units of currency
Example
He became a millionaire through smart investments and hard work.
Se convirtió en millonario gracias a inversiones inteligentes y trabajo duro.
B2 noun /ˌklæsɪfɪˈkeɪʃən/

classification

clasificación
Meaning
the action or process of classifying something into groups based on shared characteristics.
Example
The classification of animals helps in understanding their biology.
La clasificación de los animales ayuda a entender su biología.
C2 adjective /ˈsiːkwənt/

sequent

secuente
Meaning
Following in order or as a result.
Example
The sequent events changed the course of history.
Los eventos subsecuentes cambiaron el curso de la historia.