Ear
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A1 noun /ɪər/

Ear

oído; audición; capacidad de escuchar
Meaning
the organ of hearing; the ability to hear or listen
Example
She whispered something in his ear during the meeting.
Ella susurró algo en su oído durante la reunión.
C2 adjective /ɛkˈstrɪnzɪk/

extrinsic

extrínseco
Meaning
Not part of the essential nature of someone or something; coming from outside.
Example
His motivation was largely extrinsic, driven by rewards and recognition.
Su motivación era en gran parte extrínseca, impulsada por recompensas y reconocimiento.
B2 noun ɪˈfɪʃ.ən.si

efficiency

eficiencia
Meaning
The state or quality of being efficient; achieving maximum productivity with minimum wasted effort or expense.
Example
Efficiency in communication is crucial for businesses.
La eficiencia en la comunicación es crucial para los negocios.
C2 noun /ˌɛfəˈvɛsəns/

effervescence

efervescencia
Meaning
The release of gas bubbles; vivacity or high-spiritedness.
Example
Her effervescence made her the life of the party.
Su efervescencia la hizo la vida de la fiesta.
C2 noun /ˈɛpəlɛt/

epaulet

aditamento de hombro
Meaning
An ornamental shoulder piece on a garment, especially on the coat or jacket of a military uniform.
Example
The general’s uniform had a golden epaulet on each shoulder.
El uniforme del general tenía un epaulet dorado en cada hombro.
A1 adjective /eɪtθ/

eighth

octavo
Meaning
coming after the seventh position in a sequence; one of eight equal parts
Example
She finished in eighth place in the race.
Ella terminó en octavo lugar en la carrera.
C2 noun /ɪˈfluːviəm/

effluvium

efluvio
Meaning
an unpleasant or harmful odor, secretion, or discharge
Example
The effluvium from the factory spread across the neighborhood.
El efluvio de la fábrica se extendió por todo el vecindario.
C2 noun ˌɛr.jʊˈdɪʃ.ən

erudition

erudición
Meaning
The quality of having or showing great knowledge or learning; scholarship.
Example
His erudition in history impressed the entire audience.
Su erudición en historia impresionó a toda la audiencia.
C2 verb /ɛksˈhjuːm/

exhume

exhumar
Meaning
to dig out something buried, especially a body from the ground
Example
The archaeologists decided to exhume the ancient remains.
Los arqueólogos decidieron exhumar los restos antiguos.
C2 verb /ɪnˈθrɔːl/

enthral

cautivar
Meaning
To captivate or hold someone’s full attention.
Example
The magician’s performance enthralled the audience.
La actuación del mago cautivó a la audiencia.
C1 adjective /ˈɛntərˌpraɪzɪŋ/

enterprising

emprendedor
Meaning
showing initiative and resourcefulness; willing to take risks to achieve success
Example
She is an enterprising young entrepreneur.
Ella es una joven emprendedora emprendedora.
B2 verb /ɪɡˈzædʒəˌreɪt/

exaggerate

exagerar
Meaning
to describe something as better, worse, or more important than it really is
Example
He tends to exaggerate his achievements.
Él tiende a exagerar sus logros.
B1 noun /ɪˈskeɪp/

Escape

escapar; liberación; fuga
Meaning
an act of breaking free from confinement or control; a way out
Example
The prisoner's escape from the jail shocked the authorities.
La fuga del prisionero de la cárcel sorprendió a las autoridades.
A1 noun /aɪ/

Eye

ojo; vista
Meaning
the organ of sight; the ability to see
Example
Her eyes sparkled with joy.
Sus ojos brillaban de alegría.
B2 verb /ɪˈmɜːrdʒ/

emerge

emergir
Meaning
to come into view or become apparent; to arise or appear from something
Example
New opportunities will emerge as the industry grows.
Nuevas oportunidades emergerán a medida que la industria crezca.
C2 adjective /ɛɡˈzɪɡjuəs/

exiguous

escaso
Meaning
small in amount; scanty or inadequate
Example
They survived on exiguous rations during the journey.
Sobrevivieron con raciones exiguas durante el viaje.
B1 noun /ˌek.spləˈneɪ.ʃən/

Explanation

explicación; aclaración;
Meaning
a statement or account that makes something clear; clarification of meaning
Example
The teacher gave a detailed explanation of the complex mathematical concept.
La maestra dio una explicación detallada del concepto matemático complejo.
A2 noun /ɪˈkwɪpmənt/

equipment

equipo
Meaning
the necessary tools, machines, or other items needed for a particular purpose
Example
The laboratory bought new equipment for research.
El laboratorio compró nuevos equipos para la investigación.
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.
B2 adjective /ɪnˈdjʊər.ɪŋ/

Enduring

duradero; persistente; que dura mucho tiempo
Meaning
lasting; permanent; continuing for a long time
Example
Their enduring friendship lasted for decades.
Su amistad duradera duró décadas.
C1 adjective /ɪˈfɛm.ər.əl/

ephemeral

efímero
Meaning
Lasting for a very short time; temporary or transitory.
Example
The beauty of cherry blossoms is ephemeral.
La belleza de las flores de cerezo es efímera.
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.
C2 noun ˈɛn.ɡræm

Engram

Señales físicas en el cerebro para el almacenamiento y recuperación de recuerdos
Meaning
Physical signs or patterns in the brain for memory storage and retrieval
Example
Scientists study engrams to understand how memories are stored.
Los científicos estudian los engramas para comprender cómo se almacenan los recuerdos.
C1 noun ɪˌræd.ɪˈkeɪ.ʃən

eradication

erradicación
Meaning
The complete destruction or elimination of something unwanted.
Example
Carbon eradication is a key goal of the project.
La erradicación del carbono es una meta clave del proyecto.
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 adjective /ɪkˈspiːdiənt/

expedient

conveniente
Meaning
suitable or convenient for achieving a particular end, sometimes at the expense of morality
Example
It was expedient to take the shortcut despite the risks.
Era conveniente tomar el atajo a pesar de los riesgos.
B2 verb, adjective /ɪˈlæbəreɪt/ (verb), /ɪˈlæbərət/ (adjective)

elaborate

elaborar / detallado y complicado en diseño
Meaning
verb: to explain something in detail; adjective: detailed and complicated in design
Example
She asked him to elaborate on his proposal.
Ella le pidió que elaborara su propuesta.
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.
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 adjective /ɪkˈstɪr.i.ər/

Exterior

exterior; de fuera; superficie externa
Meaning
relating to the outside part or surface of something; outer
Example
The exterior of the building was painted in bright colors.
El exterior del edificio estaba pintado en colores brillantes.
B1 noun /ˈɛlɪmənt/

element

elemento
Meaning
A basic or essential part of something; a simple substance that cannot be broken down further.
Example
Trust is a key element of any strong relationship.
La confianza es un elemento clave de cualquier relación fuerte.
C2 adjective ˈɛr.jʊ.daɪt

erudite

erudito o sabio
Meaning
Having or showing great knowledge or learning; scholarly and intellectual.
Example
The professor's erudite lecture fascinated the students.
La conferencia erudita del profesor fascinó a los estudiantes.
C2 noun /ˈɪrˌʃɑːt/

earshot

rango de audición
Meaning
the range or distance within which a sound can be heard
Example
The children whispered secrets out of earshot of their parents.
Los niños susurraron secretos fuera del alcance de los padres.
B2 adjective ˌiːkəˈlɒdʒɪkəl

ecological

ecológico
Meaning
Relating to ecology or the environment.
Example
Deforestation threatens the ecological balance of the planet.
La deforestación amenaza el equilibrio ecológico del planeta.
C2 noun /ˌɛləˈkjuːʃn/

elocution

elocuencia
Meaning
The skill of clear and expressive speech, especially in public speaking.
Example
She improved her elocution through constant practice.
Ella mejoró su elocuencia mediante la práctica constante.
B2 adjective /ˈiːtəbl̩/

eatable

comestible
Meaning
suitable or safe for eating
Example
The berries are not only eatable but also quite tasty.
Las bayas no solo son comestibles, sino también bastante sabrosas.
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.
B1 noun /ˈɛnvəloʊp/

envelope

sobre
Meaning
a flat paper container used to enclose a letter or document
Example
She sealed the letter in an envelope and posted it.
Ella selló la carta en un sobre y lo envió.
B2 noun /ɪnˈdɔːrs.mənt/

endorsement

respaldo
Meaning
A public or official statement of support or approval.
Example
The celebrity's endorsement increased the product's sales.
El respaldo de la celebridad aumentó las ventas del producto.
B2 adverb /ɪkˈstɛnsɪvli/

extensively

extensivamente
Meaning
in a thorough or wide-ranging manner
Example
She traveled extensively across Europe for her research.
Ella viajó extensivamente por Europa para su investigación.
A2 adverb /ˈev.ri.weər/

Everywhere

en todas partes
Meaning
in all places; wherever you go
Example
The internet allows us to connect with people everywhere.
Internet nos permite conectar con personas en todas partes.
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.
C1 adjective /ɪˈkwɛstriən/

equestrian

equitación
Meaning
Relating to horse riding or horseback riders.
Example
She won several equestrian competitions.
Ella ganó varias competiciones ecuestres.
B2 noun /ɪnˈfɔːrsmənt/

enforcement

aplicación de la ley
Meaning
the act of making sure that laws or rules are followed
Example
The police are responsible for law enforcement.
La policía es responsable de la aplicación de la ley.
C1 adjective ɪkˈskwɪzɪt

exquisite

exquisito
Meaning
Extremely beautiful and delicate.
Example
The exquisite craftsmanship of the watch made it a collector's item.
La exquisita habilidad artesanal del reloj lo convirtió en un artículo de coleccionista.
C1 verb ɪɡˈzɛm.plɪ.faɪ

exemplify

ejemplificar
Meaning
To be a typical example of or to illustrate something clearly, to show as an example or demonstrate.
Example
His dedication exemplifies true leadership.
Su dedicación ejemplifica el verdadero liderazgo.
C1 verb /ɜːr/

err

errar
Meaning
to make a mistake or be incorrect
Example
To err is human, to forgive divine.
Errar es humano, perdonar es divino.
B2 adjective /ˌiːkəˈnɒmɪkl/

economical

económico
Meaning
Careful in the use of resources; providing good value or efficiency.
Example
Driving a hybrid car is economical in the long run.
Conducir un coche híbrido es económico a largo plazo.
C2 verb /ˈɛnərˌveɪt/

enervate

debilitar
Meaning
To weaken or drain someone of strength or vitality.
Example
The long hours of work enervated him.
Las largas horas de trabajo lo debilitaron.
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.
B1 noun ɪˈməʊʃənz

emotions

emociones
Meaning
Strong feelings deriving from one's circumstances, mood, or relationships with others.
Example
Emotions ran high during the protests.
Las emociones fueron altas durante las protestas.
C2 adjective /ˌeθ.noʊˈsen.trɪk/

ethnocentric

etnocéntrico
Meaning
evaluating other cultures according to the standards of one's own culture
Example
His ethnocentric attitude made it hard for him to appreciate foreign traditions.
Su actitud etnocéntrica le dificultaba apreciar las tradiciones extranjeras.
C1 verb /ɛmˈbɛzəl/

embezzle

malversar
Meaning
to steal or misuse money or property entrusted to one's care
Example
The accountant was arrested for embezzling company funds.
El contador fue arrestado por malversar los fondos de la empresa.
C1 verb /ɪnˈkrəʊtʃ/

encroach

felicidad
Meaning
to gradually take over or intrude on someone’s rights, territory, or space
Example
The buildings began to encroach on the protected forest land.
Ella no pudo ocultar su felicidad cuando recibió el premio.
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.
B2 adjective /ɪkˈskluːdɪd/

Excluded

excluido; marginado
Meaning
not included; left out; barred from participation
Example
He felt excluded from the group activities and conversations.
Él se sintió excluido de las actividades del grupo y de las conversaciones.
C2 noun /ɪˈskʌtʃən/

escutcheon

escudo o emblema con un escudo de armas
Meaning
a shield or emblem bearing a coat of arms
Example
The family crest was displayed on the escutcheon above the fireplace.
El emblema familiar estaba exhibido en el escudo sobre la chimenea.
C2 adjective /ˌɛkjʊˈmɛnɪkəl/

ecumenical

unidad religiosa ecuménica
Meaning
Promoting unity among different Christian churches or religions.
Example
The leaders gathered for an ecumenical conference to encourage dialogue.
Los líderes se reunieron para una conferencia ecuménica para fomentar el diálogo.
B1 adjective /ɪnˌvaɪrənˈmɛntl/

environmental

ambiental
Meaning
relating to the natural world and the impact of human activity on its condition
Example
The company adopted new policies to reduce environmental damage.
La empresa adoptó nuevas políticas para reducir el daño ambiental.
B2 verb /ɪˈrɛkt/

erect

erigir
Meaning
to build or construct something; to set upright
Example
They erected a statue in the town square.
Ellos erigieron una estatua en la plaza del pueblo.
C2 verb /ɪmˈbɪtər/

embitter

amargar
Meaning
To make someone resentful or angry; to cause bitterness.
Example
The unfair treatment embittered the employees.
El trato injusto amargó a los empleados.
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.
B2 verb /ɪˈveɪd/

evade

evadir
Meaning
To escape or avoid something, especially by cleverness or trickery.
Example
He tried to evade the question by changing the subject.
Intentó evadir la pregunta cambiando de tema.
C1 noun ɪnˌvaɪ.rənˈmen.təl ˌtræns.fəˈmeɪ.ʃən

environmental transformation

transformación ambiental
Meaning
A significant change in environmental conditions or ecological systems.
Example
The city demonstrates environmental transformation.
La ciudad demuestra transformación ambiental.
B2 adverb /ɪˈsɛnʃəli/

essentially

esencialmente
Meaning
Used to emphasize the basic or fundamental nature of something.
Example
The two plans are essentially the same.
Los dos planes son esencialmente lo mismo.
A2 noun /ɪkˈsaɪt.mənt/

Excitement

emoción
Meaning
a feeling of great enthusiasm and eagerness
Example
The children could barely contain their excitement about the upcoming field trip.
Los niños apenas podían contener su emoción por el próximo viaje escolar.
C2 adjective /ˈɛrzæts/

ersatz

sustituto
Meaning
made or used as a substitute, typically an inferior one
Example
The cheap shoes were made of ersatz leather.
Los zapatos baratos estaban hechos de cuero sintético.
B2 noun /ɪɡˈzæmɪnər/

examiner

examinador
Meaning
A person who tests or inspects knowledge, skills, or qualifications
Example
The examiner reviewed each student's answer sheet carefully.
El examinador revisó cuidadosamente la hoja de respuestas de cada estudiante.
B2 verb /ɪˈlɛkt/

elect

elegir
Meaning
To choose someone for a position or office by voting.
Example
The citizens elected a new president.
Los ciudadanos eligieron a un nuevo presidente.
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.
C2 adjective /juːˈfoʊniəs/

euphonious

sonido armonioso
Meaning
Pleasing to the ear; having a sweet sound.
Example
The poet's euphonious language made the verse a delight to read.
El lenguaje eufónico del poeta hizo que el verso fuera un deleite para leer.
B2 verb /ɪˈvæljueɪt/

evaluate

evaluar
Meaning
To assess or judge the value, quality, or significance of something.
Example
The teacher will evaluate the students’ projects tomorrow.
El maestro evaluará los proyectos de los estudiantes mañana.
C1 verb /ˈiːvzdrɒp/

eavesdrop

escuchar a escondidas
Meaning
to secretly listen to a conversation
Example
She stood near the door to eavesdrop on their conversation.
Ella estaba cerca de la puerta para escuchar a escondidas su conversación.
C2 adjective /ɪˈkwɪvəkəl/

equivocal

ambiguo
Meaning
Open to more than one interpretation; ambiguous.
Example
His equivocal answer confused everyone.
Su respuesta ambigua confundió a todos.
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 verb /ɪnˈlaɪvən/

enliven

animar
Meaning
to make something more lively, interesting, or cheerful
Example
Her jokes helped enliven the dull meeting.
Sus bromas ayudaron a animar la aburrida reunión.
B2 noun /ɪnˌsaɪkləˈpiːdiə/

encyclopedia

enciclopedia
Meaning
a book or set of books containing information on many subjects, usually arranged alphabetically
Example
She used an encyclopedia to complete her school project.
Ella usó una enciclopedia para completar su proyecto escolar.
C2 adjective /ɪˈfʌldʒənt/

effulgent

resplandeciente
Meaning
Shining brilliantly; radiant.
Example
Her effulgent smile brightened everyone's mood.
Su sonrisa resplandeciente iluminó el ánimo de todos.
B2 noun /iˈkɒlədʒɪst/

ecologist

ecólogo
Meaning
A scientist who studies the relationships between living organisms and their environment.
Example
The ecologist studied the effects of pollution on the forest ecosystem.
El ecólogo estudió los efectos de la contaminación en el ecosistema del bosque.
C1 adjective /ˌiːɡoʊˈsentrɪk/

egocentric

egocéntrico
Meaning
thinking only about yourself and not about others
Example
His egocentric behavior annoyed everyone at the meeting.
Su comportamiento egocéntrico molestó a todos en la reunión.
C2 adjective /ˈek.wə.bəl/

Equable

ecuánime
Meaning
calm and even-tempered; not easily disturbed
Example
He maintained an equable temperament throughout the crisis.
Él mantuvo un temperamento ecuánime durante la crisis.
C2 noun /ˌɛfləˈrɛsəns/

efflorescence

floración
Meaning
the process of flowering or reaching an optimal stage of development
Example
The garden was at the peak of its efflorescence in spring.
El jardín estaba en su pico de floración en primavera.
A2 noun /ˈiː.ɡəl/

Eagle

águila
Meaning
large bird of prey with powerful wings and sharp talons
Example
The eagle soared high above the mountains.
El águila voló alto sobre las montañas.
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.
B2 noun ɪnˈhɑːns.mənt

enhancement

mejora
Meaning
An increase or improvement in quality, value, or extent.
Example
Enhancement of education quality is vital.
La mejora de la calidad educativa es vital.
C2 adjective /juːˈdʒɛnɪk/

eugenic

eugenésico
Meaning
Relating to or aiming at improving the genetic quality of a population.
Example
In the early 20th century, some scientists supported eugenic policies.
A principios del siglo XX, algunos científicos apoyaron las políticas eugenésicas.
A2 adjective /ˈemp.ti/

Empty

vacío; vacío de contenido
Meaning
containing nothing; vacant; without contents
Example
The glass is empty and needs to be refilled.
El vaso está vacío y necesita ser rellenado.
B2 noun ˈiːkoʊˌtʊrɪzəm

Eco-tourism

eco-turismo
Meaning
A form of tourism involving responsible travel to natural areas that conserves the environment and improves the well-being of local people.
Example
Eco-tourism promotes responsible travel to natural areas.
El eco-turismo promueve viajes responsables a áreas naturales.
B2 adjective /ɪˈlɛktərəl/

electoral

electoral
Meaning
related to elections or voting
Example
The electoral process in the country has been reformed in recent years.
El proceso electoral en el país ha sido reformado en los últimos años.
B2 verb /ɪnˈkʌmpəs/

encompass

abarcar
Meaning
To include comprehensively; to surround or encircle.
Example
The project will encompass all aspects of rural development.
El proyecto abarcará todos los aspectos del desarrollo rural.
A2 noun /ˈer.ər/

Error

error; equivocación
Meaning
a mistake; something done incorrectly or wrong
Example
The error in the calculation led to incorrect results.
El error en el cálculo llevó a resultados incorrectos.
C1 noun /eb/

Ebb

reflujo; bajamar
Meaning
the receding tide; a gradual decline or reduction
Example
The fishermen waited for the ebb before returning to shore.
Los pescadores esperaron el reflujo antes de regresar a la orilla.
B2 noun /ˌiː.kəˈnɒm.ɪk ˈsɪs.təm/

economic system

sistema económico
Meaning
The organized framework for production, distribution, and consumption of goods and services in society.
Example
Capitalism, socialism, and mixed economies are types of economic systems.
El capitalismo, el socialismo y las economías mixtas son tipos de sistemas económicos.
A2 adjective /ɪkˈspɛnsɪv/

expensive

caro
Meaning
costing a lot of money
Example
That car is too expensive for me to buy.
Ese coche es demasiado caro para que pueda comprarlo.
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 verb /ɪˈlɛktrɪfaɪ/

electrify

electrificar; emocionar
Meaning
to charge with electricity; to excite or thrill intensely
Example
The speaker's speech electrified the audience.
El discurso del orador emocionó intensamente a la audiencia.
B2 adjective /ɪkˈsten.sɪv/

Extensive

extenso; amplio; vasto
Meaning
covering or affecting a large area; comprehensive; wide-ranging
Example
The company conducted extensive research before launching the new product.
La empresa realizó una investigación extensa antes de lanzar el nuevo producto.
B1 noun /ɪɡˌzæm.ɪˈneɪ.ʃən/

examination

examen
Meaning
a formal test of knowledge or ability
Example
She is preparing for her final examination.
Ella está preparándose para su examen final.
B2 noun /ˈɛdʒuˌkeɪtər/

educator

educador
Meaning
a person who provides education; a teacher or instructor
Example
She is a dedicated educator who inspires her students every day.
Ella es una educadora dedicada que inspira a sus estudiantes todos los días.
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.
B2 noun /ˌɛvəˈluːʃən/

evolution

evolución
Meaning
the gradual development of something, especially from a simple to a more complex form
Example
The theory of evolution explains how species change over time.
La teoría de la evolución explica cómo las especies cambian con el tiempo.
C1 adjective /ɪɡˈzæktɪŋ/

exacting

exigente
Meaning
demanding a lot of effort, attention, or precision
Example
She is known for her exacting standards in design.
Es conocida por sus exigentes estándares en el diseño.
C2 adjective /ˌɛvəˈnɛsənt/

evanescent

efímero
Meaning
Quickly fading or disappearing; lasting for only a very short time.
Example
The beauty of the sunset was evanescent, fading within minutes.
La belleza del atardecer fue efímera, desvaneciéndose en minutos.
B2 noun /ˈɜːnɪŋz/

earnings

ingresos
Meaning
money obtained in return for labor or services
Example
Her monthly earnings are enough to support her family.
Sus ingresos mensuales son suficientes para mantener a su familia.
B2 adjective /ɪkˈsprɛsɪv/

expressive

expresivo
Meaning
Effectively conveying thought or feeling.
Example
Her eyes were so expressive that no words were needed.
Sus ojos eran tan expresivos que no se necesitaban palabras.
C1 adjective ɪˈθɪə.ri.əl

ethereal

celestial, delicado, sobrenatural
Meaning
Extremely delicate and light in a way that seems too perfect for this world.
Example
Her voice had an ethereal quality.
Su voz tenía una calidad etérea.
B1 noun /ɪkˈspres treɪn/

Express Train

tren expreso
Meaning
a fast train that travels between major stations with few or no intermediate stops
Example
The express train reached the destination in half the usual time.
El tren expreso llegó a su destino en la mitad del tiempo habitual.
C2 noun /ɪˈbʊliəns/

ebullience

exuberancia
Meaning
the quality of being cheerful, enthusiastic, and full of energy
Example
The teacher's ebullience inspired her students.
El entusiasmo de la profesora inspiró a sus estudiantes.
B1 noun /ɪˈlɛktrɪk ˈkɛtəl/

Electric Kettle

tetera eléctrica
Meaning
An electrical appliance that heats water quickly using electricity
Example
The electric kettle automatically turns off when the water starts boiling.
La tetera eléctrica se apaga automáticamente cuando el agua comienza a hervir.
B2 verb ɪnˈhɑːnst

enhanced

mejorado
Meaning
Intensify, increase, or further improve the quality, value, or extent of something.
Example
Enhanced strategies improve outcomes.
Las estrategias mejoradas mejoran los resultados.
A2 adjective /ɪˈlɛktrɪk/

electric

eléctrico
Meaning
Relating to or operated by electricity.
Example
The room was lit by an electric lamp.
La habitación estaba iluminada por una lámpara eléctrica.
B2 adjective ɪkˈstɪŋkt

extinct

extinto
Meaning
No longer in existence; having died out completely.
Example
Some species are becoming extinct due to overfishing.
Algunas especies se están extinguiendo debido a la sobrepesca.
B2 verb /ɪkˈspɛl/

expel

expulsar
Meaning
to officially force someone to leave a place or organization
Example
The student was expelled from school for misconduct.
El estudiante fue expulsado de la escuela por mala conducta.
C2 noun /ɪˌpɪstəˈmɒlədʒɪst/

epistemologist

epistemólogo
Meaning
A scholar or expert who studies the nature, sources, and limits of knowledge.
Example
The epistemologist debated how humans can truly know anything with certainty.
El epistemólogo debatió sobre cómo los humanos pueden conocer algo con certeza.
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.
C2 adjective /ˈiːkwaɪn/

equine

relacionado con los caballos
Meaning
Relating to or resembling a horse.
Example
The veterinarian specialized in equine medicine.
El veterinario se especializó en medicina equina.
B2 verb /ɪˈnækt/

enact

promulgar
Meaning
to make into law; to perform or act out
Example
The government decided to enact a new policy on education.
El gobierno decidió promulgar una nueva política sobre educación.
C2 adjective /ˌɛfəˈvɛsənt/

effervescent

efervescente
Meaning
Giving off bubbles; lively, enthusiastic, and full of energy.
Example
She had an effervescent personality that brightened every room.
Ella tenía una personalidad efervescente que iluminaba cada habitación.
C2 adjective ˈen.də.krɪn

endocrine

endocrino
Meaning
Relating to or denoting glands that secrete hormones directly into the blood.
Example
The endocrine system regulates metabolism and growth.
El sistema endocrino regula el metabolismo y el crecimiento.
C2 noun /ˈɛksɪdʒənsi/

exigency

urgencia
Meaning
an urgent need or demand requiring immediate attention
Example
In times of war, the exigency of the situation requires quick decisions.
En tiempos de guerra, la urgencia de la situación requiere decisiones rápidas.
B1 adjective /ˌel.ɪˈmen.tər.i/

Elementary

elemental; básico
Meaning
basic; fundamental; primary level
Example
He learned elementary mathematics in school.
Él aprendió matemáticas elementales en la escuela.