efficacy
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C1 noun /ˈɛf.ɪ.kə.si/

efficacy

eficacia
Meaning
The ability to produce a desired or intended result; effectiveness.
Example
The efficacy of the vaccine has been proven in trials.
La eficacia de la vacuna se ha demostrado en los ensayos.
C1 verb /ɪnˈθrɔːl/

enthrall

cautivar
Meaning
to captivate or hold someone’s attention completely
Example
The magician’s tricks enthralled the children.
Los trucos del mago cautivaron a los niños.
C1 verb /ɪkˈspend/

expend

gastar
Meaning
to use up or consume; to spend energy or resources
Example
He expended all his energy on the project.
Él gastó toda su energía en el proyecto.
C1 verb /ɪkˈstɪŋ.ɡwɪʃ/

extinguish

apagar
Meaning
to put out a fire, light, or to end something
Example
The firefighters managed to extinguish the blaze within an hour.
Los bomberos lograron apagar el fuego en una hora.
C1 noun /ˈem.ɪ.nəns/

Eminence

fama; superioridad
Meaning
fame or recognized superiority; high rank or status
Example
The professor achieved eminence in the field of quantum physics.
El profesor alcanzó la fama en el campo de la física cuántica.
C1 adjective /ɪnˈlaɪ.tənd/

Enlightened

iluminado; esclarecido; sabio;
Meaning
having or showing a rational, modern outlook; having spiritual knowledge or understanding
Example
The enlightened teacher shared wisdom with all her students.
El maestro iluminado compartió sabiduría con todos sus estudiantes.
C1 noun /ɪkˈstrækʃən/

extraction

extracción
Meaning
the act of removing something, especially by pulling it out
Example
The extraction of oil from the ground requires special equipment.
La extracción de petróleo del suelo requiere equipos especiales.
C1 verb /ˈɛnərˌdʒaɪz/

energize

energizar
Meaning
To give energy or vitality to something or someone.
Example
The motivational speech helped energize the team.
El discurso motivacional ayudó a energizar al equipo.
C1 phrase ˈiː.kəʊˌsɪs.təm kəˈlæps

ecosystem collapse

colapso del ecosistema
Meaning
The complete breakdown of an ecological system, resulting in the inability to maintain its structure and function.
Example
Unchecked deforestation can lead to ecosystem collapse.
La deforestación incontrolada puede llevar al colapso del ecosistema.
C1 verb /ɛtʃ/

etch

grabar
Meaning
to cut or carve a design onto a surface
Example
The artist etched her initials into the glass.
La artista grabó sus iniciales en el vidrio.
C1 adjective /ɪˈklɛktɪk/

eclectic

ecléctico
Meaning
Selecting or deriving ideas, styles, or tastes from a broad and diverse range of sources.
Example
Her taste in music is eclectic, ranging from classical to hip-hop.
Su gusto en música es ecléctico, que abarca desde la música clásica hasta el hip-hop.
C1 adjective /ˌɛnɪɡˈmætɪk/

enigmatic

enigmático
Meaning
mysterious and difficult to interpret or understand
Example
He gave me an enigmatic smile.
Él me dio una sonrisa enigmática.
C1 adjective /ɪɡˈzɪləreɪtɪd/

exhilarated

exaltado
Meaning
feeling very happy, animated, or elated
Example
She felt exhilarated after finishing the marathon.
Ella se sintió exaltada después de terminar el maratón.
C1 adjective /ˌɛk.spəˈnɛn.ʃəl/

exponential

crecimiento rápido o expansión a un ritmo creciente
Meaning
Rapid growth or expansion at an increasing rate
Example
Technology is advancing at an exponential rate.
La tecnología está avanzando a un ritmo exponencial.
C1 noun /ɪˈvæp.ər.ə.tɪv ˈkuː.lər/

Evaporative cooler

enfriador por evaporación
Meaning
a cooling device that uses water evaporation to reduce air temperature
Example
The evaporative cooler works best in dry climates.
El enfriador por evaporación funciona mejor en climas secos.
C1 noun /ˈɜːrθənˌwɛr/

earthenware

cerámica
Meaning
pottery made of clay and hardened by heat
Example
The shop displayed beautiful earthenware pots and bowls.
La tienda exhibió hermosas ollas y tazones de cerámica.
C1 noun /ɪmˈbɛzlmənt/

embezzlement

malversación
Meaning
The act of dishonestly taking money or property entrusted to one's care.
Example
The accountant was arrested for embezzlement of company funds.
El contador fue arrestado por la malversación de fondos de la empresa.
C1 noun /ɪˈleɪʃən/

elation

éxtasis
Meaning
A feeling of great happiness and excitement.
Example
His elation was evident after winning the championship.
Su éxtasis era evidente después de ganar el campeonato.
C1 noun /ɪˈnɪɡ.mə/

enigma

enigma
Meaning
A person or thing that is mysterious, puzzling, or difficult to understand.
Example
Life remains an enigma to many.
La vida sigue siendo un enigma para muchos.
C1 adjective /ɪnˈdjʊər.ə.bəl/

Endurable

soportable
Meaning
able to be endured; bearable; tolerable
Example
The pain was endurable with proper medication.
El dolor era soportable con la medicación adecuada.
C1 verb /ˈɪə.mɑːrk/

earmark

destinar
Meaning
To designate funds, resources, or time for a particular purpose.
Example
The government has earmarked funds for education.
El gobierno ha destinado fondos para la educación.
C1 noun /ɪnˈtaɪərəti/

entirety

entereza
Meaning
the whole of something; the complete form
Example
He watched the movie in its entirety.
Vio la película en su totalidad.
C1 adjective /ˈɛm.ɪ.nənt/

eminent

eminente
Meaning
Famous and respected within a particular sphere or profession.
Example
He is an eminent scientist known for groundbreaking research.
Él es un científico eminente conocido por su investigación innovadora.
C1 noun /ɪˈnæməl/

enamel

esmalte
Meaning
a hard, glossy substance used as a protective or decorative coating; the hard outer layer of teeth
Example
The dentist explained that enamel protects the teeth from decay.
El dentista explicó que el esmalte protege los dientes de la caries.
C1 noun /ˈɛstjʊəri/

estuary

estuario
Meaning
the tidal mouth of a large river, where the tide meets the stream
Example
The city is located near the estuary of the river.
La ciudad está ubicada cerca del estuario del río.
C1 noun /ɪɡˌzɪl.əˈreɪ.ʃən/

exhilaration

exaltación o felicidad
Meaning
A feeling of excitement, happiness, or elation.
Example
The feeling of exhilaration after a roller-coaster ride is amazing.
La sensación de exhilaración después de una montaña rusa es increíble.
C1 noun /ˌɛksɛnˈtrɪsəti/

eccentricity

excentricidad
Meaning
the quality of being unconventional or slightly strange
Example
His eccentricity made him both admired and misunderstood.
Su excentricidad lo hizo ser tanto admirado como incomprendido.
C1 noun ˌɛkstərˈnælɪtiz

externalities

externalidad
Meaning
A side effect or consequence of an industrial or commercial activity.
Example
Pollution is a negative externality of industrialization.
La contaminación es una externalidad negativa de la industrialización.
C1 adjective /ˈɜːrstwaɪl/

erstwhile

antiguo
Meaning
former or in the past
Example
They were erstwhile friends but no longer speak.
Fueron amigos antiguos, pero ya no hablan.
C1 adjective /ɪˈnæmərd/

enamored

enamorado
Meaning
filled with love or admiration
Example
He became enamored with classical music after attending the concert.
Se enamoró de la música clásica después de asistir al concierto.
C1 adjective /ɪkˈskjuːzəbl/

excusable

excusable
Meaning
Able to be forgiven or justified.
Example
Her mistake was excusable given the circumstances.
Su error era excusable dadas las circunstancias.
C1 adjective /juːˈfɔːrɪk/

euphoric

eufórico
Meaning
Characterized by or feeling intense excitement and happiness.
Example
The fans were euphoric after their team's victory.
Los fanáticos estaban eufóricos después de la victoria de su equipo.
C1 noun ɪˌlæˈstɪs.ə.ti

elasticity

elasticidad
Meaning
The responsiveness of demand or supply to changes in price.
Example
The elasticity of demand for luxury goods is high.
La elasticidad de la demanda de bienes de lujo es alta.
C1 noun /ˈek.saɪl/

Exile

exilio
Meaning
the state of being barred from one's native country; enforced removal from one's homeland
Example
The political leader was forced into exile after the military coup.
El líder político fue forzado al exilio después del golpe militar.
C1 adjective /ɪɡˈzæspəˌreɪtɪd/

exasperated

muy molesto
Meaning
greatly annoyed or irritated
Example
She gave him an exasperated look after his repeated mistakes.
Ella le dio una mirada muy molesta después de sus errores repetidos.
C1 adjective /ɪˈstreɪndʒd/

estranged

distante
Meaning
no longer close or affectionate with someone; alienated
Example
She felt estranged from her family after the long dispute.
Ella se sintió distante de su familia después de la larga disputa.
C1 verb /ˈɛkskəˌveɪt/

excavate

felicidad
Meaning
to dig out or remove earth carefully, often for building or archaeological purposes
Example
The workers excavated the site to prepare for construction.
No pudo esconder su felicidad cuando recibió el premio.
C1 noun /iːl/

Eel

anguila
Meaning
a long, snake-like fish that lives in both fresh and salt water
Example
The electric eel can generate powerful electric shocks.
La anguila eléctrica puede generar potentes descargas eléctricas.
C1 verb ˈɛk.spɪ.daɪt

expedite

acelerar
Meaning
Make an action or process happen sooner or be accomplished more quickly.
Example
The government took steps to expedite the approval process.
El gobierno tomó medidas para acelerar el proceso de aprobación.
C1 adverb /ˈiːstwədz/

Eastwards

hacia el este
Meaning
towards the east; in an eastern direction
Example
The river flows eastwards into the ocean.
El río fluye hacia el este hacia el océano.
C1 adjective /ɪkˈstɛnjueɪtɪŋ/

extenuating

atenuante
Meaning
serving to make a fault or an offense seem less serious
Example
She asked for leniency due to extenuating circumstances.
Ella pidió indulgencia debido a las circunstancias atenuantes.
C1 verb /ɪnˈtʃænt/

enchant

encantar
Meaning
to delight or charm greatly; to cast a spell over
Example
The storyteller enchanted the children with his tales.
El cuentacuentos encantó a los niños con sus relatos.
C1 noun ˈiː.pɒk

epoch

época
Meaning
A period of time in history or a person's life, typically one marked by notable events or particular characteristics.
Example
The invention of the internet marked a new epoch in human history.
La invención de internet marcó una nueva época en la historia humana.
C1 adjective /ɪˈstiːmd/

Esteemed

estimado
Meaning
respected and admired; held in high regard
Example
He is an esteemed professor at the university.
Él es un profesor estimado en la universidad.
C1 noun /ˈɛdɪfɪs/

edifice

edificio
Meaning
A large, impressive building or structure.
Example
The museum is an impressive edifice in the city center.
El museo es un impresionante edificio en el centro de la ciudad.
C1 adjective /ɪkˈsaɪtəbl̩/

excitable

excitable
Meaning
easily excited or emotionally aroused
Example
The child was excitable and laughed at every small thing.
El niño era excitable y se reía de cada pequeña cosa.
C1 noun /ˈiːkwɪnɒks/

equinox

equilibrio entre el día y la noche
Meaning
The time or date when day and night are of equal length, occurring twice a year.
Example
The spring equinox marks the beginning of longer days.
El equinoccio de primavera marca el comienzo de los días más largos.
C1 noun /ˌɛksɪˈkjuːʃənər/

executioner

verdugo
Meaning
A person who carries out a death sentence by execution.
Example
The executioner prepared the gallows for the condemned prisoner.
El verdugo preparó la horca para el prisionero condenado.
C1 adjective /ɪˈrɒtɪk/

erotic

erótico
Meaning
relating to or tending to arouse sexual desire or excitement
Example
The novel contained several erotic scenes.
La novela contenía varias escenas eróticas.
C1 noun /ˈiːɡoʊɪst/

egoist

egoísta
Meaning
A person who is excessively concerned with themselves; someone who believes in or practices egoism.
Example
She avoided him because he was a selfish egoist.
Ella lo evitaba porque él era un egoísta egocéntrico.
C1 adverb ˌekspəˈnenʃəli

exponentially

exponencialmente
Meaning
At a rapidly increasing rate; growing or expanding very quickly and intensely.
Example
Internet adoption is growing exponentially worldwide.
La adopción de Internet está creciendo exponencialmente en todo el mundo.
C1 verb /ɪnˈtaɪs/

entice

atraer
Meaning
to attract or tempt someone by offering something appealing
Example
The advertisement was designed to entice customers into the store.
El anuncio fue diseñado para atraer a los clientes a la tienda.
C1 verb /ɪɡˈzɒnəreɪt/

exonerate

exonerar
Meaning
To clear someone from blame or accusation.
Example
The court exonerated her from all charges.
El tribunal la exoneró de todos los cargos.
C1 verb /ˈɛkˌsaɪz/

excise

extirpar
Meaning
to cut out or remove completely, often by surgery
Example
The surgeon excised the tumor successfully.
El cirujano extirpó el tumor con éxito.
C1 adjective /ɪkˈstætɪk/

ecstatic

extático
Meaning
Feeling or expressing overwhelming happiness or excitement.
Example
The fans were ecstatic after their team won the championship.
Los fanáticos estaban extáticos después de que su equipo ganó el campeonato.
C1 noun /ˌɛlɪˈveɪʃən/

elevation

elevación
Meaning
The act of raising something to a higher position or level.
Example
The hikers reached a high elevation after hours of climbing.
Los excursionistas llegaron a una alta elevación después de horas de escalada.
C1 noun /ˈjuːlədʒi/

eulogy

elogio
Meaning
A speech or piece of writing that praises someone, especially after their death.
Example
Her brother delivered a heartfelt eulogy at the funeral.
Su hermano pronunció un sentido elogio en el funeral.
C1 noun /ɪnˈdɪrmənt/

endearment

palabra cariñosa
Meaning
A word or phrase expressing affection or love.
Example
She whispered a gentle endearment to her child.
Ella susurró una palabra cariñosa a su hijo.
C1 verb ɪˈluːd

elude

eludir
Meaning
Evade or escape from, typically in a skillful or cunning way; avoid being caught.
Example
The thief managed to elude the police.
El ladrón logró eludir a la policía.
C1 verb /ɪmˈbrɔɪl/

embroil

enredar
Meaning
to involve someone deeply in a conflict, argument, or difficult situation
Example
The politician was embroiled in a major corruption scandal.
El político estaba enredado en un gran escándalo de corrupción.
C1 noun /ˈef.ɪ.dʒi/

Effigy

efigie; figura de protesta
Meaning
a sculpture or model of a person, especially one made as a protest
Example
The protesters burned an effigy of the corrupt politician in the square.
Los manifestantes quemaron una efigie del político corrupto en la plaza.
C1 verb /ɪnˈdɪr/

endear

hacer que alguien sea querido
Meaning
To cause someone to be loved or liked.
Example
Her kindness and generosity endeared her to the community.
Su amabilidad y generosidad la hicieron querida por la comunidad.
C1 verb /ɪˈkɒnəmaɪz/

economize

economizar
Meaning
To reduce spending or use resources carefully.
Example
Families are trying to economize by cutting unnecessary expenses.
Las familias están tratando de economizar reduciendo gastos innecesarios.
C1 noun /ˈɛkstrəˌvɜːrt/

extrovert

extrovertido
Meaning
a person who is outgoing, sociable, and energized by being around other people
Example
As an extrovert, she enjoys meeting new people at social events.
Como extrovertida, le gusta conocer gente nueva en eventos sociales.
C1 noun ˈeʃ.ə.lɒn

echelon

nivel, rango, jerarquía
Meaning
A level or rank in an organization, a profession, or society.
Example
He climbed to the upper echelon of the corporate world.
Él ascendió al nivel más alto del mundo corporativo.
C1 verb /ɪnˈdaʊ/

endow

dotar
Meaning
To provide with a quality, ability, or gift; to donate funds for a purpose.
Example
The university was endowed with a generous donation.
La universidad fue dotada con una generosa donación.
C1 adjective ɪˈveɪ.sɪv

evasive

evasivo, astuto, vago
Meaning
Tending to avoid commitment or self-revelation, especially by responding only indirectly.
Example
He gave an evasive answer to avoid trouble.
Él dio una respuesta evasiva para evitar problemas.
C1 verb /ɪnˈtrɛntʃ/

entrench

afianzar
Meaning
To establish something so firmly that it is difficult to change.
Example
The company entrenched its position in the market through innovation.
La empresa afianzó su posición en el mercado a través de la innovación.
C1 adjective ɪˈroʊ.ni.əs

erroneous

erróneo, incorrecto
Meaning
Wrong; incorrect.
Example
His assumptions were completely erroneous.
Sus suposiciones eran completamente erróneas.
C1 adjective ˌɜː.ɡəˈnɒm.ɪk

ergonomic

diseño ergonómico
Meaning
Designed for efficiency and comfort in the working environment; user-friendly and reducing strain.
Example
The chair has an ergonomic design for better posture.
La silla tiene un diseño ergonómico para una mejor postura.
C1 noun /ɪɡˌzæm.ɪˈniː/

Examinee

examinado
Meaning
a person who is being tested in an examination
Example
Each examinee was given two hours to complete the test.
Cada examinado recibió dos horas para completar la prueba.
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.
C1 verb /ˈiːkwəlaɪz/

equalize

igualar
Meaning
To make equal or level in status, value, or amount.
Example
The team equalized the score in the last minute.
El equipo igualó el marcador en el último minuto.
C1 adjective /ɪˈlɪptɪkl/

elliptical

elíptico
Meaning
Having the shape of an ellipse; also, a style of speech that is concise and sometimes obscure.
Example
The planet follows an elliptical orbit around the sun.
El planeta sigue una órbita elíptica alrededor del sol.
C1 noun /ˈaɪ.wɪt.nəs/

Eyewitness

testigo ocular
Meaning
a person who has seen something happen and can give evidence about it
Example
The police interviewed several eyewitnesses to the accident.
La policía entrevistó a varios testigos oculares del accidente.
C1 verb /ˈɛkstrɪkeɪt/

extricate

liberar
Meaning
To free someone or something from a constraint or difficulty.
Example
The firefighters extricated the passengers from the wrecked car.
Los bomberos extricaron a los pasajeros del coche destrozado.
C1 noun /ɪkˈspæns/

expanse

extensa área
Meaning
a wide, open area of land, sea, or sky
Example
The desert is a vast expanse of sand and rock.
El desierto es una vasta extensión de arena y roca.
C1 adjective ɪˌɡæl.ɪˈteə.ri.ən

egalitarian

igualitario
Meaning
Believing in or based on the principle that all people are equal and deserve equal rights and opportunities.
Example
The new law promotes an egalitarian society.
La nueva ley promueve una sociedad igualitaria.
C1 noun /ˈɛskəpeɪd/

escapade

aventura
Meaning
an adventurous, exciting, or reckless act
Example
Their summer escapade included camping and mountain climbing.
Su escapada de verano incluyó camping y escalada en la montaña.
C1 verb /ɪkˈskriːt/

excrete

excretar
Meaning
to eliminate waste matter from the body
Example
Humans excrete carbon dioxide through breathing.
Los humanos excretan dióxido de carbono a través de la respiración.
C1 verb /ɪnˈkæp.sjʊ.leɪt/

encapsulate

encapsular
Meaning
To express the essential features of something succinctly; to summarize or contain within.
Example
The introduction should encapsulate the main points of the article.
La introducción debe encapsular los puntos principales del artículo.
C1 noun /ˈɛksɜːrpt/

excerpt

extracto
Meaning
A short portion taken from a text, film, or piece of music.
Example
The teacher read an excerpt from the novel.
El maestro leyó un extracto de la novela.
C1 noun /ɪˈlɛk.trəʊ.laɪts/

electrolytes

electrolitos
Meaning
Minerals in body fluids that carry an electric charge and are essential for many bodily functions.
Example
Electrolytes help maintain proper fluid balance in the body.
Los electrolitos ayudan a mantener el equilibrio adecuado de líquidos en el cuerpo.
C1 verb ɪɡˈzæsərbeɪt

exacerbate

agravar
Meaning
To make a problem, bad situation, or negative feeling worse.
Example
Climate change exacerbates flooding issues.
El cambio climático agrava los problemas de inundación.
C1 noun /ɪmˈbɑː.ɡoʊ/

embargo

embargo comercial
Meaning
A trade ban, restriction, or prohibition imposed by a government or international organization on a country.
Example
The UN imposed an embargo on arms exports.
La ONU impuso un embargo a las exportaciones de armas.
C1 adjective /ˌiːɡəˈtɪstɪkəl/

egotistical

ególatra
Meaning
Excessively self-absorbed or conceited.
Example
Her egotistical behavior made it difficult for her to maintain friendships.
Su comportamiento ególatra hizo difícil que mantuviera amistades.
C1 noun /ɪˈvændʒəlɪst/

evangelist

evangelista
Meaning
A person who seeks to convert others to the Christian faith, especially by public preaching.
Example
The evangelist traveled across the country spreading his message.
El evangelista viajó por todo el país difundiendo su mensaje.
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 adjective /ɪˈspeʃəl/

especial

especial
Meaning
Particularly remarkable or significant; distinguished from others
Example
This is an especial opportunity you should not miss.
Esta es una oportunidad especial que no debes perder.
C1 adjective /ɪˈmɜːrdʒənt/

emergent

emergente
Meaning
just coming into existence or becoming prominent
Example
The emergent startup quickly attracted investors.
La startup emergente rápidamente atrajo inversionistas.
C1 noun /ɪˌlæbəˈreɪʃən/

elaboration

elaboración / explicación detallada
Meaning
the process of adding more detail or expanding on something
Example
The teacher appreciated the student's elaboration of the topic.
El maestro apreció la elaboración del tema por parte del estudiante.
C1 adjective /ɛnˌsaɪkləˈpiːdɪk/

encyclopedic

enciclopédico
Meaning
Having comprehensive knowledge of many subjects; relating to or characteristic of an encyclopedia.
Example
Her encyclopedic knowledge of history amazed everyone at the conference.
Su conocimiento enciclopédico de la historia sorprendió a todos en la conferencia.
C1 adjective /ɪˌlɪzəˈbiːθən/

elizabethan

era isabelina
Meaning
Relating to the reign of Queen Elizabeth I of England (1558–1603), especially the style of that period.
Example
Shakespeare wrote many of his plays during the Elizabethan era.
Shakespeare escribió muchas de sus obras durante la era isabelina.
C1 verb /iːk/

eke

hacer durar
Meaning
to make a small amount of something last longer by using it sparingly
Example
The family tried to eke out their savings during the tough months.
La familia intentó hacer durar sus ahorros durante los meses difíciles.
C1 noun /ɪkˈspoʊnənt/

exponent

exponente
Meaning
a person who supports, promotes, or explains an idea; in math, a symbol denoting power
Example
She is a leading exponent of modern dance.
Ella es una de las principales exponentes de la danza moderna.
C1 adjective /ˈɜːrθi/

earthy

terroso / simple
Meaning
resembling or suggestive of earth or soil; simple, natural, and sometimes coarse
Example
The dish had a rich, earthy flavor from the mushrooms.
El plato tenía un sabor rico y terroso proveniente de los champiñones.
C1 adjective /ˌɛpɪˈsɒdɪk/

episodic

episódico
Meaning
Happening occasionally or in separate parts; related to episodes.
Example
Her interest in art was episodic, coming and going over the years.
Su interés por el arte era episódico, viniendo y yendo a lo largo de los años.
C1 noun ɪˌməʊ.ʃəˈnæl.ɪ.ti

emotionality

emocionalidad
Meaning
The quality of being driven by emotions rather than reason; emotional responsiveness.
Example
His emotionality often influenced his decisions.
Su emocionalidad a menudo influía en sus decisiones.
C1 adjective /ˌɛɡzɪˈstɛnʃəl/

existential

existencial
Meaning
Relating to human existence, often concerning meaning or purpose of life.
Example
She went through an existential crisis during her midlife.
Pasó por una crisis existencial durante su mediana edad.
C1 verb /ɪˈmænsɪpeɪt/

emancipate

emancipar
Meaning
to set someone free from legal, social, or political restrictions; to liberate from slavery or oppression
Example
The law was designed to emancipate slaves and grant them full citizenship.
La ley fue diseñada para emancipar a los esclavos y otorgarles plena ciudadanía.
C1 noun /ˈɛn.kleɪv/

enclave

enclave
Meaning
a distinct area or group enclosed within a larger one
Example
The city has a small Italian enclave where traditions are preserved.
La ciudad tiene un pequeño enclave italiano donde se preservan las tradiciones.
C1 verb /ɪnˈɡroʊs/

engross

absorto
Meaning
to absorb all the attention or interest of someone
Example
She was so engrossed in the book that she forgot the time.
Ella estaba tan absorbida en el libro que olvidó la hora.
C1 noun /ˈɛpɪθɛt/

epithet

epíteto
Meaning
A descriptive phrase or word used to characterize someone or something, often as a nickname.
Example
He earned the epithet ‘The Great’ for his remarkable achievements.
Ganó el epíteto ‘El Grande’ por sus logros notables.
C1 adjective /ˈɜːr.nɪst/

Earnest

serio; genuino; mostrando profunda y seria convicción
Meaning
sincere; genuine; showing deep and serious conviction
Example
He made an earnest attempt to solve the problem.
Él hizo un intento serio de resolver el problema.
C1 noun ˈiːkəʊˌsɪstəm ˈsɜːvɪsɪz

ecosystem services

servicios ecosistémicos
Meaning
The benefits people obtain from ecosystems.
Example
Forests provide valuable ecosystem services, such as purifying air and water.
Los bosques proporcionan valiosos servicios ecosistémicos, como la purificación del aire y el agua.
C1 noun /juːˈfɔː.ri.ə/

euphoria

euforia, alegría extrema, éxtasis
Meaning
A feeling or state of intense excitement and happiness; elation.
Example
Winning the championship brought a sense of euphoria.
Ganar el campeonato le dio una sensación de euforia.
C1 adjective /ˈɜːr.θən/

Earthen

hecho de tierra o arcilla; relacionado con la cerámica
Meaning
made of earth or clay; relating to pottery or ceramic materials
Example
The kitchen had beautiful earthen pots for storage.
La cocina tenía hermosas ollas de barro para almacenamiento.
C1 verb /ɪnˈsjuː/

ensue

suceder
Meaning
to happen as a result or consequence
Example
After the argument, silence ensued.
Después de la discusión, el silencio sucedió.
C1 noun /ˌiː.kəˈnɒm.ɪk dɪˈspær.ɪ.ti/

Economic Disparity

disparidad económica
Meaning
The unequal distribution of income and opportunity between different groups in society.
Example
Addressing economic disparity is crucial for social stability.
Abordar la disparidad económica es crucial para la estabilidad social.
C1 noun /ˌiː.kwɪˈlɪb.ri.əm/

equilibrium

equilibrio
Meaning
A state of physical balance or stability in physical, mental, or economic conditions.
Example
The market reached an equilibrium between supply and demand.
El mercado alcanzó un equilibrio entre la oferta y la demanda.
C1 noun /ɪˈklɪps/

Eclipse

eclipse (del sol o la luna)
Meaning
an obscuring of light from one celestial body by another; a decline or loss
Example
The total solar eclipse darkened the sky for several minutes.
El eclipse solar total oscureció el cielo durante varios minutos.
C1 verb /ɪnˈtæŋɡəl/

entangle

enredar
Meaning
to become twisted together or caught in something; to involve in difficulties
Example
The fish got entangled in the net.
El pez se enredó en la red.
C1 adjective ɪˈræt.ɪk

erratic

errático
Meaning
Unpredictable and inconsistent; not even or regular in pattern or movement.
Example
His erratic behavior confused his colleagues.
Su comportamiento errático confundió a sus colegas.
C1 noun /ɒnˈsɒmbəl/

ensemble

conjunto, grupo
Meaning
a group of things or people viewed as a whole, especially performers in music or theater
Example
The theater ensemble gave a spectacular performance.
El conjunto de teatro hizo una actuación espectacular.
C1 noun /ˈɛləkwəns/

eloquence

elocuencia
Meaning
Fluent or persuasive speaking or writing.
Example
His eloquence in speech won him great respect.
Su elocuencia en el discurso le ganó mucho respeto.
C1 exclamation /juˈriːkə/

eureka

¡Eureka!
Meaning
An exclamation used to express a sudden discovery or realization.
Example
When the solution finally came to him, he shouted, 'Eureka!'
Cuando finalmente encontró la solución, gritó, '¡Eureka!'
C1 noun /ˈiːɡoʊˌɪzəm/

egoism

egoísmo
Meaning
An ethical theory that treats self-interest as the foundation of morality; also, excessive preoccupation with oneself.
Example
His decisions were often driven by egoism rather than concern for others.
Sus decisiones a menudo eran impulsadas por el egoísmo en lugar de por la preocupación por los demás.
C1 adjective /ɪɡˈzɪləreɪtɪŋ/

exhilarating

emocionante
Meaning
Making someone feel very excited, happy, or thrilled.
Example
Skydiving was the most exhilarating experience of his life.
El paracaidismo fue la experiencia más emocionante de su vida.
C1 adjective ɛnˈdɛm.ɪk

endemic

endémico
Meaning
Native and restricted to a certain place.
Example
The Bengal tiger is endemic to the Indian subcontinent.
El tigre de Bengala es endémico del subcontinente indio.
C1 verb /ɪˈdʒektɪd/

ejected

expulsar
Meaning
to force someone or something to leave a place; to push or throw something out forcefully
Example
The pilot was ejected from the aircraft during the emergency.
El piloto fue expulsado del avión durante la emergencia.
C1 noun ˈiː.θɒs

ethos

espíritu característico de una cultura, época o comunidad
Meaning
The characteristic spirit of a culture, era, or community as manifested in its beliefs and aspirations.
Example
The company's ethos is built on innovation and integrity.
El ethos de la empresa se basa en la innovación y la integridad.