obsidian
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN English BN Bengali HI Hindi ES Español FR Francés DE Alemán RU Ruso ZH Chino JA Japonés
All Vocabulary Cards All Vocabularies
C2 noun /əbˈsɪdiən/

obsidian

obsidiana (roca volcánica oscura y vidriosa)
Meaning
A hard, dark, glasslike volcanic rock formed by rapid solidification of lava.
Example
The knife was made from sharp obsidian.
El cuchillo estaba hecho de obsidiana afilada.
B2 adverb /ˈfɔːrmərli/

Formerly

anteriormente; antes
Meaning
in the past; previously; at an earlier time
Example
The building was formerly a school but is now a community center.
El edificio era anteriormente una escuela, pero ahora es un centro comunitario.
B2 adjective /ʌnˈdʒʌst/

Unjust

injusto; incorrecto
Meaning
not fair or right; morally wrong
Example
The punishment was unjust for such a minor offense.
El castigo fue injusto por tal pequeña ofensa.
B1 noun /pɑːrˌtɪsɪˈpeɪʃən/

participation

participación
Meaning
the action of taking part in something
Example
Her participation in the competition was commendable.
Su participación en la competencia fue encomiable.
B1 noun /biːst/

Beast

bestia
Meaning
a large or dangerous animal; a cruel or unpleasant person
Example
The lion is a fierce beast of the jungle.
El león es una feroz bestia de la jungla.
C2 noun /ˌpɜːrtərˈbeɪʃn/

perturbation

perturbación
Meaning
A state of anxiety, disturbance, or disorder.
Example
The announcement caused a perturbation in the financial markets.
El anuncio causó una perturbación en los mercados financieros.
B2 adjective /ˌmiː.diˈiː.vəl/

medieval

medieval
Meaning
Relating to the Middle Ages, the period in European history from about the 5th to the 15th century.
Example
The castle is a famous medieval monument.
El castillo es un famoso monumento medieval.
A2 noun /dʒɪˈræf/

Giraffe

jirafa
Meaning
a very tall African animal with a long neck and long legs
Example
The giraffe stretched its neck to reach the leaves on the tall tree.
La jirafa estiró su cuello para alcanzar las hojas en el árbol alto.
C1 adjective /ˈfliː.tɪŋ/

fleeting

efímero
Meaning
Lasting for a very short time; passing quickly.
Example
Happiness can be fleeting, so cherish every moment.
La felicidad puede ser efímera, así que aprecia cada momento.
B1 noun /ˈbluː.ber.i/

Blueberry

arándano azul
Meaning
a small round blue fruit that grows on bushes
Example
She picked fresh blueberries for the pie.
Ella recogió arándanos azules frescos para el pastel.
C1 verb /ˈməʊbɪlaɪz/

mobilize

movilizar
Meaning
to organize or prepare people or resources for action
Example
The leader worked hard to mobilize the community for the protest.
El líder trabajó duro para movilizar a la comunidad para la protesta.
C2 noun /nɪt/

nit

huevo de piojo
Meaning
The egg or young form of a louse or other parasitic insect.
Example
The teacher noticed nits in the child’s hair.
El maestro notó huevos de piojo en el cabello del niño.
C2 noun /ˈbed.ləm/

Bedlam

caos; confusión ruidosa
Meaning
a scene of noisy confusion; chaos and disorder
Example
The classroom was complete bedlam after the fire alarm.
El salón de clases estaba completamente caótico después de la alarma de incendios.
B2 noun /ˌrek.riˈeɪ.ʃən/

Recreation

ocio; el proceso de hacer algo existir de nuevo
Meaning
an activity that is done for enjoyment; the process of making something exist again
Example
The park provides recreation facilities for children and adults.
El parque ofrece instalaciones de recreación para niños y adultos.
C1 adjective /ˈeɪ.mi.ə.bəl/

Amiable

amable y agradable; de buen carácter; bondadoso
Meaning
friendly and pleasant; good-natured; kind
Example
My neighbor is very amiable and always greets everyone warmly.
Mi vecino es muy amable y siempre saluda a todos calurosamente.
B1 noun /ˌɒp.əˈtjuː.nə.ti/

opportunity

oportunidad
Meaning
A favorable chance or set of circumstances that makes it possible to do something.
Example
She seized the opportunity to study abroad.
Ella aprovechó la oportunidad de estudiar en el extranjero.
C2 noun /ˌdaɪvəˈɡeɪʃən/

divagation

divagación
Meaning
digression; wandering from a path or subject
Example
His lecture was full of divagation, making it hard to follow the main point.
Su conferencia estuvo llena de divagaciones, lo que hizo difícil seguir el punto principal.
B1 verb /ˈɔːrɡənaɪz/

organize

organizar
Meaning
to arrange systematically; to plan and coordinate
Example
She organized a surprise party for her friend.
Ella organizó una fiesta sorpresa para su amiga.
C2 adjective /ˈlaʊtɪʃ/

loutish

grosero
Meaning
Clumsy, rude, or aggressive in behavior.
Example
His loutish remarks offended everyone at the meeting.
Sus comentarios groseros ofendieron a todos en la reunión.
B1 verb /dɪɡ/

dig

cavar
Meaning
to break up and move earth with a tool or machine, or with hands, paws, etc.
Example
They decided to dig a hole for the new tree.
Ellos decidieron cavar un agujero para el nuevo árbol.
C1 noun /ˈkaʊn.tər kleɪm/

counter-claim

contrademanda
Meaning
a claim made to rebut a previous claim, often in legal contexts
Example
The defendant filed a counter-claim against the plaintiff.
El demandado presentó una contrademanda contra el demandante.
C2 adjective /dʒoʊˈkoʊs/

jocose

jocoso
Meaning
playful or humorous in speech or behavior
Example
The professor’s jocose remarks kept the class entertained.
Los comentarios jocosos del profesor mantuvieron entretenida a la clase.
C1 noun ɪˈveɪ.ʒən

evasion

evasión
Meaning
The practice of avoiding or escaping from something, especially responsibility or duty.
Example
His evasion of responsibilities frustrated his colleagues.
Su evasión de responsabilidades frustró a sus colegas.
B2 verb /ˈvæksɪneɪt/

vaccinate

vacunar
Meaning
to give a vaccine to protect against a disease
Example
Children are usually vaccinated before starting school.
Los niños generalmente son vacunados antes de comenzar la escuela.
B1 noun /leɪn/

lane

camino
Meaning
a narrow road or path, often in the countryside or for specific traffic
Example
They walked down a quiet country lane.
Ellos caminaron por un tranquilo camino rural.
C2 noun /waɪl/

wile

astucia, engaño
Meaning
A trick or clever scheme meant to deceive or outwit someone.
Example
He used every wile to win her trust.
Él usó toda su astucia para ganar su confianza.
C2 verb /læmˈpuːn/

lampoon

ridiculizar
Meaning
to publicly criticize or ridicule someone or something with humor, irony, or sarcasm
Example
The cartoonist lampooned the politician for his contradictory statements.
El caricaturista ridiculizó al político por sus declaraciones contradictorias.
B1 noun /seɪlz/

sales

ventas
Meaning
activities related to selling products or services
Example
The company saw a significant increase in sales during the holiday season.
La empresa vio un aumento significativo en las ventas durante la temporada navideña.
C1 noun /ˌəʊvərɪksˌplɔɪˈteɪʃən/

overexploitation

sobreexplotación
Meaning
The unsustainable use of natural resources at a rate that exceeds their ability to regenerate, leading to depletion and environmental degradation.
Example
Overexploitation of natural resources leads to environmental degradation.
La sobreexplotación de los recursos naturales conduce a la degradación ambiental.
B1 adjective /dɪˈtɜːrmɪnd/

determined

determinado
Meaning
Having firmly decided to do something and not letting anything stop you.
Example
She was determined to finish her studies despite many obstacles.
Ella estaba decidida a terminar sus estudios a pesar de muchos obstáculos.
B2 adverb /ˌæksɪˈdɛntəli/

accidentally

accidentalmente
Meaning
happening by chance or unexpectedly
Example
He accidentally dropped the glass.
Él dejó caer el vaso accidentalmente.
C1 verb /ˌriː.kənˈviːn/

reconvene

reunirse de nuevo
Meaning
to gather or assemble again, especially for a meeting
Example
The committee will reconvene after lunch.
El comité se reunirá después del almuerzo.
C2 noun /ˈænti/

ante

apuesta inicial en un juego
Meaning
a stake put up by a player in poker or similar games before receiving cards; also used figuratively to mean an initial investment or contribution
Example
Each player placed an ante before the game began.
Cada jugador colocó una ante antes de que comenzara el juego.
B2 verb /liːp/

leap

saltar
Meaning
to jump high or far; to move quickly with large steps
Example
The cat leaped onto the table.
El gato saltó sobre la mesa.
A2 adjective /ˈwɛstərn/

western

occidental
Meaning
relating to or characteristic of the West, especially Europe and the Americas
Example
She loves western music and culture.
A ella le encanta la música y la cultura occidental.
C2 adjective /əˈbɑː.mə.nə.bəl/

abominable

abominable
Meaning
causing moral revulsion; extremely unpleasant
Example
The prisoners were kept in abominable conditions.
Los prisioneros fueron mantenidos en condiciones abominables.
C1 verb/noun /ˈrɛlɪʃ/

relish

disfrutar / condimento
Meaning
to greatly enjoy; also a condiment or sauce
Example
She relished the opportunity to travel abroad.
Ella disfrutó mucho de la oportunidad de viajar al extranjero.
B1 adjective /kriˈeɪtɪv/

creative

creativo
Meaning
Having the ability to produce new and original ideas or things.
Example
She is very creative in her writing.
Ella es muy creativa en su escritura.
C2 adjective /ˈrɛkriənt/

recreant

cobarde, traidor
Meaning
cowardly or unfaithful to duty
Example
The recreant soldier abandoned his post in fear.
El soldado cobarde abandonó su puesto por miedo.
B2 noun /ˈlaɪ.səns/

Licence

licencia
Meaning
a permit from an authority to own or use something, do a particular thing, or carry on a trade
Example
You need a driving licence to operate a car.
Necesitas una licencia de conducir para operar un coche.
C1 noun /plʊəˈrælɪti/

plurality

pluralidad o mayoría
Meaning
the state of being multiple; the greater part or majority
Example
In the election, she won by a plurality of votes.
En la elección, ella ganó por una pluralidad de votos.
C1 verb /ˈɔːstrəˌsaɪz/

ostracize

ostracizar
Meaning
to exclude someone from a group or society; to banish or shun
Example
After the scandal, he was ostracized by his former colleagues.
Después del escándalo, fue ostracizado por sus antiguos compañeros de trabajo.
C2 noun/verb /ˈkætˌkɔːl/

catcall

gritos o silbidos de desaprobación o acoso sexual
Meaning
A loud whistle or shout of disapproval or sexual harassment directed at someone.
Example
The actress ignored the catcalls from the crowd.
La actriz ignoró los catcalls de la multitud.
B1 noun /ˈeɪ.dʒən.si/

Agency

agencia; oficina de agentes
Meaning
a business or organization that provides a particular service
Example
She works for a travel agency downtown.
Ella trabaja para una agencia de viajes en el centro de la ciudad.
A1 adjective/adverb /lɛs/

less

menos
Meaning
A smaller amount; not as much.
Example
She spends less money than her brother.
Ella gasta menos dinero que su hermano.
B1 noun /ˈɑːrtwɜːrk/

artwork

obra de arte
Meaning
a piece of art, such as a painting, sculpture, or drawing
Example
The gallery displayed an impressive artwork by a local artist.
La galería exhibió una impresionante obra de arte de un artista local.
B2 verb /ˈkɪdnæp/

kidnap

secuestrar
Meaning
to take someone away illegally by force
Example
The criminals kidnapped the wealthy businessman.
Los criminales secuestraron al rico empresario.
C1 adjective /ˌɪndɪˈvɪzəbl/

indivisible

indivisible
Meaning
Not able to be divided or separated.
Example
The country's unity was indivisible despite differences.
La unidad del país era indivisible a pesar de las diferencias.
C2 noun /ˌpoʊpʊˈriː/

potpourri

mezcla de flores secas
Meaning
a mixture of dried flowers and spices kept in a bowl to perfume a room; a miscellaneous collection
Example
The living room was filled with the scent of potpourri.
La sala de estar estaba llena con el aroma del potpourri.
A1 adjective /ˈʌðər/

other

otro
Meaning
used to refer to something different from the one already mentioned or known
Example
I don't want this one, I will take the other one.
No quiero este, tomaré el otro.
B2 adjective /ˌkɑː.di.əʊˈvæs.kjʊ.lər/

cardiovascular

relacionado con el corazón y los vasos sanguíneos
Meaning
Relating to the heart and blood vessels.
Example
Regular exercise improves cardiovascular health.
El ejercicio regular mejora la salud cardiovascular.
C1 adjective /ˈneɡ.lɪ.dʒənt/

Negligent

negligente
Meaning
failing to take proper care; careless; showing lack of attention
Example
The negligent driver caused a serious accident.
El conductor negligente causó un accidente grave.
C1 adjective /ˈwoʊ.fəl/

woeful

lamentable
Meaning
full of woe; very sad or miserable; also used to mean very bad or deplorable
Example
He gave me a woeful look when he lost the match.
Me dio una mirada lamentable cuando perdió el partido.
C1 noun /sɪˈdʌk.ʃən/

Seduction

seducción; tentación
Meaning
the action of seducing someone; temptation to do something wrong
Example
He fell victim to the seduction of easy money.
Cayó víctima de la seducción del dinero fácil.
C2 adjective /ˈdekərəs/

decorous

decoroso
Meaning
showing proper and polite behavior; marked by good taste
Example
The audience gave a decorous applause after the performance.
El público aplaudió de manera decorosa después de la actuación.
C2 adjective /ˈærənt/

arrant

completo, absoluto
Meaning
complete or utter (used negatively, e.g., 'arrant nonsense')
Example
His excuse was arrant nonsense.
Su excusa fue una tontería absoluta.
C1 verb /flɪntʃ/

flinch

retroceder
Meaning
to suddenly move back or away due to fear or pain
Example
He didn’t flinch when the doctor gave him the injection.
Él no se echó atrás cuando el doctor le dio la inyección.
C2 adjective /ˈɪkθiɪk/

ichthyic

ictíico
Meaning
Relating to or resembling fish.
Example
The artist's painting had an ichthyic quality.
La pintura del artista tenía una cualidad ictíica.
C1 adjective /dɪˈfaɪənt/

Defiant

desafiante; rebelde
Meaning
boldly resistant or challenging; disobedient
Example
The defiant student refused to follow the rules.
El estudiante desafiante se negó a seguir las reglas.
C1 adjective /ʌnˈmaɪndfəl/

Unmindful

despreocupado; descuidado;
Meaning
not paying attention; careless; heedless
Example
She was unmindful of the danger around her.
Ella no prestaba atención al peligro a su alrededor.
B2 adjective /ˈvɜːrtɪkl/

vertical

vertical
Meaning
Standing or pointing straight up; perpendicular to the ground.
Example
The skyscraper has a perfectly vertical design.
El rascacielos tiene un diseño perfectamente vertical.
C1 noun /ˈɑːrməri/

armory

arsenal
Meaning
A place where weapons are stored; a supply of resources or skills.
Example
The soldiers kept their weapons in the armory.
Los soldados guardaron sus armas en el arsenal.
C2 noun /ɪkˈstɛnsər/

extensor

músculo extensor
Meaning
a muscle that serves to extend or straighten a limb or part of the body.
Example
The extensor muscles in the arm help straighten the elbow.
Los músculos extensores en el brazo ayudan a enderezar el codo.
C2 noun /red ˌəʊ.liˈæn.dər/

Red oleander

oleandro rojo
Meaning
a poisonous flowering shrub with bright red or pink flowers
Example
The red oleander blooms throughout the summer months.
El oleandro rojo florece durante los meses de verano.
C1 noun/adjective /ˈmɪriəd/

myriad

incontable
Meaning
a countless or extremely great number
Example
There are myriad stars in the night sky.
Hay innumerables estrellas en el cielo nocturno.
C2 verb (past tense, past participle), adjective /ˈhæmstrʌŋ/

hamstrung

cojo o debilitado
Meaning
crippled or severely restricted in movement or progress.
Example
The team was hamstrung by lack of resources.
El equipo fue limitado por la falta de recursos.
C2 noun /ˈpaʊ.waʊ/

powwow

reunión informal
Meaning
an informal meeting or conference to discuss something
Example
The team held a quick powwow before the presentation.
El equipo celebró una reunión rápida antes de la presentación.
C1 adjective /ˈperɪʃəbəl/

Perishable

perecedero
Meaning
liable to decay quickly; short-lived
Example
Store perishable foods in the refrigerator.
Guarde los alimentos perecederos en el refrigerador.
B1 noun /ˌrek.ə.menˈdeɪ.ʃən/

Recommendation

recomendación
Meaning
a suggestion that someone or something would be good or suitable for a particular job or purpose
Example
I got this job based on a recommendation from my professor.
Obtuve este trabajo basado en una recomendación de mi profesor.
C2 verb /ˈblækˌbɔːl/

blackball

excluir
Meaning
to exclude someone socially or vote against their membership in a group or club
Example
He was blackballed from the club after the controversy.
Fue expulsado del club después de la controversia.
C1 noun /əˌsaɪˈniː/

assignee

persona asignada
Meaning
a person to whom a right or property is legally transferred
Example
The assignee of the contract is responsible for all future obligations.
El asignado del contrato es responsable de todas las obligaciones futuras.
B1 verb /pəʊs(t)ˈpəʊn/

postpone

posponer
Meaning
to delay something to a later time
Example
The meeting was postponed until next week.
La reunión fue postpuesta hasta la próxima semana.
A2 noun /ˈmʌŋki/

Monkey

mono
Meaning
a primate mammal that typically has a long tail and lives in trees
Example
The monkey swung from branch to branch in the jungle.
El mono se colgaba de rama en rama en la selva.
B2 noun /ˈlep.ərd/

Leopard

leopardo
Meaning
a large wild cat with yellow fur and black spots
Example
The leopard climbed the tree to rest in the shade.
El leopardo subió al árbol para descansar en la sombra.
A1 adjective /əˈfreɪd/

afraid

temeroso
Meaning
feeling fear or anxiety; worried that something undesirable will happen
Example
She was afraid of the dark.
Ella tenía miedo de la oscuridad.
B2 adjective /ˈwɪəri/

Weary

cansado; agotado
Meaning
feeling or showing extreme tiredness; tired and lacking energy
Example
She felt weary after working twelve hours straight.
Ella se sintió cansada después de trabajar doce horas seguidas.
C2 noun /ˈdʒʌŋkɪt/

junket

viaje o celebración
Meaning
A trip or celebration, often funded by someone else, usually for pleasure or promotional purposes.
Example
The company organized a junket for journalists to promote their new resort.
La empresa organizó un viaje para periodistas para promover su nuevo resort.
C1 adjective /ˌjuːnɪˈlætərəl/

Unilateral

unilateral
Meaning
one-sided; involving only one party
Example
The country made a unilateral decision to withdraw from the treaty.
El país tomó una decisión unilateral de retirarse del tratado.
C1 noun /bəˈtɒn/

baton

bastón / símbolo de autoridad
Meaning
A thin stick carried by a conductor to direct an orchestra, or used as a symbol of authority.
Example
The conductor raised his baton to begin the symphony.
El director levantó su batón para comenzar la sinfonía.
C1 adverb /ˈnɔːθwədz/

Northwards

hacia el norte
Meaning
towards the north; in a northerly direction
Example
The birds migrate northwards in spring.
Los pájaros migran hacia el norte en primavera.
C1 adjective /ˈbʊkɪʃ/

Bookish

estudioso; académico
Meaning
studious; scholarly; devoted to reading and studying
Example
She was known for her bookish nature and love of literature.
Ella era conocida por su naturaleza estudiosa y amor por la literatura.
B1 noun /səˈpɔːtər/

supporter

partidario
Meaning
a person who supports someone or something
Example
She is a strong supporter of the local animal shelter.
Ella es una gran partidaria del refugio local de animales.
B1 noun/verb /ˌɡærənˈtiː/

guarantee

garantía
Meaning
a formal promise or assurance, especially about the quality or durability of a product
Example
The company guarantees a refund if the product is faulty.
La empresa garantiza un reembolso si el producto está defectuoso.
C1 adjective /ɪɡˈzɔːstɪv/

exhaustive

exhaustivo y completo
Meaning
Fully comprehensive and including all possibilities.
Example
The report provides an exhaustive analysis of the issue.
El informe proporciona un análisis exhaustivo del problema.
C1 noun /hɒˈstɪləti/

hostility

hostilidad
Meaning
hostile behavior; unfriendliness or opposition
Example
The negotiations ended in an atmosphere of hostility.
Las negociaciones terminaron en un ambiente de hostilidad.
C2 adjective /ˈdɪfɪdənt/

diffident

tímido
Meaning
Shy or lacking confidence in one's own abilities.
Example
He was too diffident to ask a question in class.
Era demasiado tímido para hacer una pregunta en la clase.
C1 noun /ˈmeɪsən/

mason

albañil
Meaning
a person skilled in building with stone, brick, or concrete
Example
The mason carefully laid the bricks for the new house.
El albañil colocó cuidadosamente los ladrillos para la nueva casa.
B2 verb, noun /ɪkˈsplɔɪt/

exploit

explotar / hacer uso de
Meaning
to make full use of and derive benefit from (a resource); to use someone unfairly for one’s own advantage
Example
The company was accused of exploiting child labor.
La compañía fue acusada de explotar el trabajo infantil.
C1 noun /ˌfɪɡjʊˈriːn/

figurine

pequeña figura decorativa
Meaning
a small ornamental statue or model of a human or animal
Example
She bought a porcelain figurine of a dancing ballerina.
Ella compró una figura de porcelana de una bailarina de ballet.
B2 adverb /ʌnˈfɛərli/

unfairly

injustamente
Meaning
In a manner that is not just, reasonable, or impartial
Example
He was treated unfairly by the committee.
Él fue tratado injustamente por el comité.
C2 adjective /ˈmɒn.teɪn/

montane

relacionado con regiones montañosas; encontrado en ambientes de montaña
Meaning
Relating to mountainous regions; found in mountain environments.
Example
Montane forests host a variety of unique species.
Los bosques montanos albergan una variedad de especies únicas.
C1 noun /ˈtʃænsələr/

chancellor

canciller / rector
Meaning
A senior state or legal official, or the head of a university.
Example
The chancellor delivered an inspiring speech at the graduation ceremony.
El canciller pronunció un discurso inspirador en la ceremonia de graduación.
B1 adjective /kənˈvɪnst/

convinced

convencido
Meaning
completely certain or sure about something
Example
She was convinced that he was telling the truth.
Ella estaba convencida de que él estaba diciendo la verdad.
C1 noun, verb /ˈkɒmjuːn/

commune

comuna / comunicarse íntimamente
Meaning
Noun: a group of people living together and sharing possessions; Verb: to share one's thoughts or feelings intimately.
Example
She went to the countryside to commune with nature.
Ella fue al campo para comunicarse con la naturaleza.
C1 adjective /nɪˈɡlɛktfʊl/

neglectful

desatento
Meaning
Failing to give proper care or attention.
Example
The neglectful parent left the child alone for hours.
El padre desatento dejó al niño solo durante horas.
B2 noun /laɪm/

Lime

limón
Meaning
a small green citrus fruit with acidic juice
Example
Add a slice of lime to your drink.
Añade una rodaja de limón a tu bebida.
C2 adjective /rɪˈdaʊ.tə.bəl/

redoubtable

temible/respetable
Meaning
formidable, especially as an opponent; inspiring fear or respect
Example
She was a redoubtable leader who commanded respect from all.
Ella era una líder temible que se ganó el respeto de todos.
C1 verb /ˈsnɪkər/

snicker

reírse disimuladamente
Meaning
to laugh quietly in a disrespectful or mocking way
Example
The students snickered when the teacher made a mistake.
Los estudiantes se rieron cuando el maestro cometió un error.
B1 noun /ˈbɜː.nɪŋ/

burning

quemadura
Meaning
The process of combustion of inflammable materials producing heat and light and (typically) smoke.
Example
Burning garbage exacerbates air pollution.
Quemar basura aumenta la contaminación del aire.
B2 noun /pliː/

Plea

apelación; solicitud; excusa
Meaning
an urgent and emotional request; a defendant's formal response to a criminal charge; an excuse or justification
Example
She made a plea for help during the emergency.
Ella hizo una apelación por ayuda durante la emergencia.
A2 adjective /ˈpaʊə.fəl/

powerful

poderoso
Meaning
Having great power or strength.
Example
The James Webb Telescope is the most powerful space observatory.
El telescopio James Webb es el observatorio espacial más poderoso.
C1 noun /məˈmɛn.toʊ/

memento

recuerdo
Meaning
An object kept as a reminder of a person, place, or event.
Example
She kept the ticket as a memento of their first concert together.
Ella guardó el boleto como un recuerdo de su primer concierto juntos.
C1 noun /rɪˈpreʃən/

Repression

represión
Meaning
the action of subduing someone or something by force; the restraint, prevention, or inhibition of a feeling, impulse, etc.
Example
The government's repression of free speech sparked widespread protests.
La represión del gobierno contra la libertad de expresión provocó protestas generalizadas.
B2 adjective /ˈtʃaɪld.laɪk/

Childlike

como un niño; inocente y confiado; puro y simple
Meaning
innocent and trusting like a child; having the good qualities of a child; pure and simple
Example
She maintained a childlike wonder about the world around her.
Ella mantuvo una asombro infantil por el mundo a su alrededor.
C1 noun ˌkæl.ɪˈbreɪ.ʃən

calibration

calibración
Meaning
The action or process of adjusting or determining the accuracy of measuring instruments.
Example
The accuracy of a scale depends on regular calibration.
La precisión de una balanza depende de una calibración regular.
B2 adjective /ˈpæn.ɪ.ki/

Panicky

ansioso; nervioso y temeroso
Meaning
feeling or showing panic; anxious and fearful
Example
The crowd became panicky when the fire alarm sounded.
La multitud se puso nerviosa cuando sonó la alarma contra incendios.
C1 noun ˌhaɪ.drəˈlɒdʒ.ɪ.kəl ˈsaɪ.kəl

hydrological cycle

ciclo hidrológico
Meaning
The cycle of processes by which water circulates between the earth's oceans, atmosphere, and land.
Example
The hydrological cycle ensures continuous water movement in nature.
El ciclo hidrológico asegura el movimiento continuo del agua en la naturaleza.
A2 adverb /ˈstrɒŋɡli/

strongly

fuerte
Meaning
in a strong manner or to a great extent
Example
She strongly believes in the power of positive thinking.
Ella cree firmemente en el poder del pensamiento positivo.
B2 noun /ˌmænjəˈfæktʃərɪŋ/

manufacturing

fabricación
Meaning
the process of making products on a large scale using machinery
Example
The country is investing heavily in the manufacturing sector.
El país está invirtiendo fuertemente en el sector de la fabricación.
C1 adjective /ˈblaɪtɪd/

blighted

desolado
Meaning
Spoiled, damaged, or destroyed.
Example
The blighted neighborhood was abandoned by most residents.
El vecindario desolado fue abandonado por la mayoría de los residentes.
B2 verb ˈstɪmjəleɪt

stimulate

estimular
Meaning
To encourage or promote the development or growth of something
Example
Proper sunlight stimulates plant growth.
La luz solar adecuada estimula el crecimiento de las plantas.
C1 adjective /klaɪˈmæktɪk/

climactic

climático
Meaning
Relating to the most exciting or important moment of something.
Example
The film ended with a climactic battle scene.
La película terminó con una escena de batalla climática.
C1 noun /ˈtrɛtʃəri/

treachery

traición
Meaning
Betrayal of trust; deceptive action or nature.
Example
His treachery was revealed when he sided with the enemy.
Su traición se reveló cuando se unió al enemigo.
B1 verb /leɪ/

lay

poner
Meaning
to put something down in a flat position; to place carefully
Example
Please lay the book on the table.
Por favor, pon el libro sobre la mesa.
C2 noun /ˈæsɪˌteɪt/

acetate

acetato
Meaning
a salt or ester of acetic acid; a synthetic material used in textiles and film
Example
The company produces acetate fibers for clothing.
La empresa produce fibras de acetato para ropa.
C1 noun /ˈprɛljuːd/

prelude

preludio
Meaning
An action, event, or statement that serves as an introduction to something more important.
Example
The small fight was only a prelude to a bigger conflict.
La pequeña pelea fue solo un preludio de un conflicto mayor.
A1 adjective /lɑːrdʒ/

Large

grande; amplio; enorme
Meaning
of considerable size, extent, or intensity; big
Example
The large building dominated the city skyline.
El gran edificio dominaba el horizonte de la ciudad.
B2 noun /sərˈkʌmfərəns/

circumference

circunferencia
Meaning
the distance around the edge of a circle
Example
The teacher asked us to calculate the circumference of the circle.
La profesora nos pidió calcular la circunferencia del círculo.
C1 adverb /ˌwɛr.əˈpɒn/

whereupon

inmediatamente después
Meaning
Immediately after which; as a result of which.
Example
He confessed his mistake, whereupon she forgave him.
Él confesó su error, inmediatamente después ella lo perdonó.
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.
C2 noun /ɒmˈnɪʃəns/

omniscience

omnisciencia
Meaning
the state of knowing everything
Example
The novel's narrator has an air of omniscience, revealing every character's thoughts.
El narrador de la novela tiene un aire de omnisciencia, revelando los pensamientos de cada personaje.