e-commerce
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B1 noun ˈiːˌkɒm.ɜːrs

e-commerce

comercio electrónico
Meaning
The process of buying and selling goods or services through the internet.
Example
E-commerce has revolutionized the way people shop.
El comercio electrónico ha revolucionado la manera en que la gente compra.
B2 noun /ɪkˈses/

Excess

exceso; sobrante
Meaning
an amount of something that is more than necessary, permitted, or desirable
Example
The excess food from the party was donated to the local shelter.
La comida sobrante de la fiesta fue donada al refugio local.
C2 noun /juːˈdʒen.ɪks/

eugenics

eugenesia
Meaning
the study or practice of improving the genetic quality of the human population
Example
Eugenics has been criticized for its unethical applications in history.
La eugenesia ha sido criticada por sus aplicaciones no éticas en la historia.
C1 adjective /ɪkˈsplɔɪtətɪv/

exploitative

explotador
Meaning
making use of a situation or people unfairly and unethically for one's own advantage
Example
The workers protested against the exploitative practices of the factory.
Los trabajadores protestaron contra las prácticas explotadoras de la fábrica.
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 adjective /ˌɛfləˈrɛsənt/

efflorescent

floreciente
Meaning
in the process of blooming or flourishing
Example
The efflorescent trees made the park look beautiful.
Los árboles florecientes hicieron que el parque se viera hermoso.
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.
B2 noun ɪnˈdev.ər

endeavor

esfuerzo
Meaning
An attempt to achieve a goal; a serious determined effort.
Example
The endeavor to innovate space tourism is ambitious.
El esfuerzo por innovar en el turismo espacial es ambicioso.
C2 verb /ˈɛmɪt/

emmet

hormiga
Meaning
an ant; a small insect
Example
The emmet carried food to its nest.
La hormiga llevó comida a su nido.
B2 adjective /ɪkˌsperɪˈmentl/

experimental

experimental
Meaning
based on untested ideas or techniques; relating to experiments or testing
Example
The scientists developed an experimental drug to treat cancer.
Los científicos desarrollaron un medicamento experimental para tratar el cáncer.
C2 verb /ɪnˈvaɪərən/

environ

rodear
Meaning
to surround or enclose; to encircle
Example
Mountains environ the small valley.
Las montañas rodean el pequeño valle.
C2 verb /ɪˈspaɪ/

espy

ver
Meaning
To catch sight of or notice something, especially from a distance.
Example
From the hilltop, she espied a small village in the valley.
Desde la cima de la colina, ella divisó un pequeño pueblo en el valle.
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.
B2 adverb /ɪˈfɪʃəntli/

efficiently

de manera eficiente
Meaning
in a way that achieves maximum productivity with minimum wasted effort or expense
Example
She managed to complete the task efficiently within the deadline.
Ella logró completar la tarea de manera eficiente dentro del plazo.
C1 noun /ˈiːdɪkt/

edict

edicto
Meaning
An official order, proclamation, or decree issued by an authority.
Example
The king issued an edict banning smoking in public places.
El rey emitió un edicto prohibiendo fumar en lugares públicos.
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.
C1 noun /ɪɡˈzɜːr.ʃən/

exertion

esfuerzo físico o mental
Meaning
Using energy or effort to achieve something.
Example
Excessive exertion can lead to fatigue and burnout.
El exceso de exertión puede llevar a la fatiga y al agotamiento.
A1 adjective /ɪkˈsaɪtɪd/

excited

emocionado
Meaning
very enthusiastic and eager about something
Example
The children were excited to open their presents.
Los niños estaban emocionados por abrir sus regalos.
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.
C2 adjective /ˌɛpɪkjʊˈriːən/

epicurean

epicurista
Meaning
relating to the enjoyment of fine food, drink, and luxury
Example
The chef prepared an epicurean feast for the guests.
El chef preparó un banquete epicurista para los invitados.
B1 noun ˌen.dʒɪˈnɪə.rɪŋ

engineering

ingeniería
Meaning
The application of scientific and mathematical principles to design, build, and maintain structures, machines, or systems.
Example
Genetic engineering transforms agricultural practices.
La ingeniería genética transforma las prácticas agrícolas.
C2 noun /ˈɛpɪˌsaɪkl/

epicycle

círculo epícyclico
Meaning
a small circle whose center moves around the circumference of a larger one, used in ancient astronomy
Example
The concept of the epicycle was used to explain planetary motion.
El concepto del epiciclo se utilizó para explicar el movimiento planetario.
B2 noun /ˌɒn.trə.prəˈnɜːr/

Entrepreneur

persona que organiza y opera un negocio o negocios
Meaning
a person who organizes and operates a business or businesses
Example
The young entrepreneur started her own tech company at age 22.
La joven emprendedora comenzó su propia empresa tecnológica a los 22 años.
C1 verb /ɪˈnʌnsieɪt/

enunciate

enunciar
Meaning
to pronounce words clearly; to express an idea clearly
Example
The teacher asked him to enunciate each word.
El maestro le pidió que enunciara cada palabra.
C2 adjective /ˈɛksplɪkəbəl/

explicable

explicable
Meaning
able to be explained or understood
Example
His sudden anger was explicable given the stressful situation.
Su enojo repentino fue explicable dada la situación estresante.
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.
B2 adjective ɪkˈsɛsɪv

excessive

excesivo
Meaning
More than is necessary, normal, or desirable; immoderate.
Example
Excessive population growth leads to resource depletion.
El crecimiento excesivo de la población conduce a la agotamiento de los recursos.
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.
B2 verb /ˈɛskɔrt/

escort

acompañar
Meaning
to accompany someone; to guide or protect while going somewhere
Example
The guard escorted the visitor to the office.
El guardia escoltó al visitante a la oficina.
C1 adjective /ˈevər ˈlæstɪŋ/

Ever-lasting

eterno; permanente;
Meaning
eternal; permanent; enduring forever
Example
Their love is ever-lasting and will never fade.
Su amor es eterno y nunca se desvanecerá.
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.
B2 verb /ɪmˈbɑːrkɪŋ/

embarking

empezando un viaje
Meaning
Beginning a journey or enterprise.
Example
The group is embarking on a long journey.
El grupo está empezando un largo viaje.
C2 adjective /ˈɛrənt/

errant

errante
Meaning
behaving wrongly or straying from the proper course or standards
Example
The teacher disciplined the errant student.
El maestro disciplinó al estudiante errante.
B1 adjective ɪˈməʊʃənl

emotional

emocional
Meaning
Having feelings that are easily excited and openly displayed.
Example
Visiting the burial site made him emotional.
Visitar el sitio de entierro lo hizo emocional.
C2 adjective /ɪkˌstɛmpəˈreɪniəs/

extemporaneous

hecho sin preparación
Meaning
Spoken or done without preparation.
Example
He gave an extemporaneous speech at the meeting.
Él dio un discurso extemporáneo en la reunión.
C2 verb /ˈɛkskʌlpeɪt/

exculpate

exculpar
Meaning
to show or declare that someone is not guilty of wrongdoing
Example
The lawyer worked hard to exculpate his client.
El abogado trabajó duro para exculpar a su cliente.
C1 adjective ɪˌlektrəʊmæɡˈnetɪk

electromagnetic

electromagnético
Meaning
Relating to both electricity and magnetism or their interaction.
Example
Electromagnetic forces repel protons.
Las fuerzas electromagnéticas repelen los protones.
B2 verb /ɪnˈroʊl/

enroll

inscribirse
Meaning
to officially join or register in a school, course, or organization
Example
He decided to enroll in a computer programming course.
Él decidió inscribirse en un curso de programación de computadoras.
C2 noun /ˈɛlɪdʒi/

elegy

elegía
Meaning
A poem or song expressing sorrow, especially for someone who has died.
Example
The poet wrote an elegy for his late friend.
El poeta escribió una elegía para su amigo fallecido.
C2 verb /ɪˈfeɪs/

efface

borrar
Meaning
To erase or wipe out something; to make oneself inconspicuous.
Example
Time had effaced the letters on the old gravestone.
El tiempo había borrado las letras en la antigua tumba.
B2 verb /ɪnˈkaʊntər/

encounter

encontrar / enfrentarse a
Meaning
to unexpectedly meet someone or experience something, especially something difficult or new
Example
During the hike, we encountered a wild bear.
Durante la caminata, nos encontramos con un oso salvaje.
C2 verb /ɪˈmeɪʃieɪt/

emaciate

emaciar
Meaning
To make abnormally thin or weak, usually because of illness or lack of food.
Example
The prisoners were emaciated after months without proper food.
Los prisioneros se emaciaron después de meses sin comida adecuada.
C2 noun /ˌɛpɪˈsaɪklɔɪd/

epicycloid

epicicloide
Meaning
a curve traced by a point on the circumference of a circle that rolls around the outside of another circle
Example
The mathematician demonstrated how to draw an epicycloid.
El matemático demostró cómo dibujar un epicicloide.
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.
B1 adjective /ˈel.ɪ.ɡənt/

Elegant

elegante
Meaning
graceful and stylish; refined; sophisticated
Example
She wore an elegant dress to the party.
Ella llevó un vestido elegante a la fiesta.
C1 verb /ɪˈdʒɛkt/

eject

echar fuera
Meaning
to force someone or something out, usually from a place or position
Example
The referee had to eject the player for unsportsmanlike behavior.
El árbitro tuvo que ejectar al jugador por conducta antideportiva.
C1 adjective /ˌɛvərˈlæstɪŋ/

everlasting

eterno
Meaning
Lasting forever or for an indefinitely long time.
Example
The poet wrote about his everlasting love for nature.
El poeta escribió sobre su amor eterno por la naturaleza.
A1 adverb /ɛls/

else

algo más
Meaning
In addition; besides.
Example
Is there anything else you need?
¿Necesitas algo más?
C2 noun /ˌɛmjʊˈleɪ.ʃən/

emulation

emulación
Meaning
Reproducing something or following someone to achieve success.
Example
The software allows the emulation of old video games on modern devices.
El software permite la emulación de juegos antiguos en dispositivos modernos.
B1 noun /ɪnˈdʒɔɪmənt/

enjoyment

disfrute
Meaning
the state or process of taking pleasure or satisfaction in something
Example
She felt great enjoyment while reading her favorite book.
Ella sintió un gran disfrute mientras leía su libro favorito.
C2 noun /ɪˈluːʒən/

elusion

elusión
Meaning
The act of escaping or avoiding something, especially by cleverness or trickery.
Example
His constant elusion of responsibility frustrated his colleagues.
Su constante elusión de responsabilidad frustró a sus colegas.
A1 determiner/pronoun/conjunction/adverb /ˈaɪðər/ or /ˈiːðər/

either

cualquiera
Meaning
Used to indicate a choice between two alternatives.
Example
You can either call me tonight or send me an email.
Puedes llamarme esta noche o enviarme un correo electrónico.
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.
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.
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 noun /ɪkˈsɪʒən/

excision

excisón
Meaning
the act of cutting something out, especially by surgical removal
Example
The excision of the infected tissue prevented further complications.
La excisión del tejido infectado previno complicaciones adicionales.
B1 adjective /ɪnˈtaɪər/

Entire

completo; entero; no dividido
Meaning
complete; whole; not divided or in parts
Example
She read the entire book in one sitting.
Ella leyó el libro entero de una sola vez.
B1 noun /ˈɛdɪtər/

editor

editor
Meaning
a person responsible for the final content of a newspaper, magazine, or book
Example
The editor approved the article before publication.
El editor aprobó el artículo antes de la publicación.
B1 noun /ɪkˈspens/

Expense

gasto; desembolso;
Meaning
the cost required for something; money spent on something
Example
The travel expense for the business trip was covered by the company.
El gasto de viaje para el viaje de negocios fue cubierto por la empresa.
B2 verb /ɪnˈlɑːrdʒ/

enlarge

agrandar
Meaning
to make something bigger or increase in size
Example
They decided to enlarge their house.
Ellos decidieron agrandar su casa.
C2 adjective /ˌɛl.ɪˈmɑː.səˌnɛr.i/

eleemosynary

caritativo
Meaning
Relating to charity; dependent on or supported by charity.
Example
The hospital was founded as an eleemosynary institution.
El hospital fue fundado como una institución caritativa.
B1 noun ˈem.fə.sɪs

emphasis

énfasis
Meaning
Special importance, value, or prominence given to something; stress laid on a particular point or aspect.
Example
The speaker placed emphasis on sustainable development.
El orador dio énfasis al desarrollo sostenible.
C2 adjective /ˌjuːləˈdʒɪstɪk/

eulogistic

elogioso
Meaning
Expressing praise or admiration, often formally.
Example
The speaker gave a eulogistic account of the leader’s achievements.
El orador dio una descripción elogiosa de los logros del líder.
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.
C2 noun /ɪɡˈzɔːrbɪtəns/

exorbitance

exorbitancia
Meaning
The quality of being excessive, unreasonable, or going beyond proper limits.
Example
The exorbitance of the hotel's prices shocked the tourists.
La exorbitancia de los precios del hotel sorprendió a los turistas.
B1 verb /ˈedɪt/

edit

editar
Meaning
to make changes to improve or correct something
Example
I need to edit this document before submission.
Necesito editar este documento antes de la entrega.
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 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.
A2 noun/adjective /ˈekspɜːt/

expert

experto
Meaning
a person who has a lot of knowledge or skill in a particular area
Example
He is an expert in computer programming.
Él es un experto en programación de computadoras.
C2 noun /ɪˌpɪstəˈmɒlədʒi/

epistemology

epistemología
Meaning
The branch of philosophy that studies the nature, origin, and scope of knowledge.
Example
Epistemology explores the difference between justified belief and opinion.
La epistemología explora la diferencia entre la creencia justificada y la opinión.
C1 adjective /ɪɡˈzɔːr.bɪ.tənt/

exorbitant

exorbitante
Meaning
Unreasonably high in price or cost; excessive.
Example
The hotel charged an exorbitant price for a basic room.
El hotel cobró un precio exorbitante por una habitación básica.
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 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.
A2 verb /ɪkˈspleɪn/

explain

explicar
Meaning
to make something clear or easy to understand by describing it in more detail
Example
The teacher explained the difficult concept to the students.
El maestro explicó el concepto difícil a los estudiantes.
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.
B2 noun /ɪˈliːt/ or /eɪˈliːt/

elite

élite
Meaning
A select group that is superior in terms of ability or qualities.
Example
Only the elite were invited to the exclusive event.
Solo la élite fue invitada al evento exclusivo.
C1 verb /ɪnˈɡreɪv/

engrave

grabar
Meaning
to cut or carve a design, letter, or pattern into a hard surface
Example
The craftsman engraved her name on the silver ring.
El artesano grabó su nombre en el anillo de plata.
C1 noun /ɪkˈspʌlʃən/

expulsion

expulsión
Meaning
The act of forcing someone to leave a place, especially a school or country.
Example
His constant misbehavior led to his expulsion from school.
Su comportamiento constante llevó a su expulsión de la escuela.
C1 noun /ˈɪrˌplʌɡ/

earplug

tapón para los oídos
Meaning
a device inserted into the ear to block out noise or water
Example
He wore earplugs to sleep during the noisy night.
Él usó tapones para los oídos para dormir durante la noche ruidosa.
C2 noun /ˌiː.kəʊ.tɒkˈsɪ.kə.lə.dʒi/

ecotoxicology

ecotoxicología
Meaning
The study of the effects of chemical pollution on the environment.
Example
Ecotoxicology studies the effects of pesticides on wildlife.
La ecotoxicología estudia los efectos de los pesticidas en la vida silvestre.
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 verb /ɪnˈdʒen.dər/

engender

provocar
Meaning
To cause or give rise to a feeling, situation, or condition.
Example
The speech engendered hope among the people.
El discurso provocó esperanza entre la gente.
C2 verb /ɪnˈræptʃər/

enrapture

fascinar
Meaning
To fill someone with great delight or joy.
Example
The beautiful music enraptured the audience.
La hermosa música fascinó a la audiencia.
B2 noun ɪˈmɪʃ.ən

emission

emisión
Meaning
The release or discharge of gases, particles, or other substances into the environment.
Example
Car manufacturers are reducing carbon emissions.
Los fabricantes de automóviles están reduciendo las emisiones de carbono.
A2 adverb /ˈiːzɪli/

Easily

fácilmente; sin dificultad
Meaning
without difficulty; in a simple or effortless manner
Example
She easily solved the math problem in minutes.
Ella resolvió el problema de matemáticas fácilmente en minutos.
C2 noun /ɪˈlɛk.trə.taɪp/

electrotype

electrotipo
Meaning
A duplicate printing plate made by electroplating a mold of the original.
Example
The printer used an electrotype to produce multiple copies of the page.
El impresor utilizó un electrotipo para producir múltiples copias de la página.
B2 verb, noun /ɪnˈdevər/

endeavour

esforzarse
Meaning
To try hard to achieve something; an attempt or effort
Example
She endeavoured to finish the project on time.
Ella se esforzó por terminar el proyecto a tiempo.
B2 noun ˌel.ɪ.dʒəˈbɪl.ə.ti

eligibility

eligibilidad
Meaning
The state of having the right to do or obtain something through satisfaction of the appropriate conditions.
Example
Eligibility criteria maintain fairness.
Los criterios de elegibilidad mantienen la equidad.
B2 noun /ˌek.spɪˈdɪʃ.ən/

Expedition

expedición
Meaning
a journey undertaken by a group of people with a particular purpose; organized trip for exploration
Example
The mountain climbing expedition required months of careful planning and preparation.
La expedición de escalada de montaña requirió meses de planificación y preparación cuidadosa.
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 /ˈɛndaɪv/ or /ˈɑːndɪv/

endive

endivia
Meaning
A leafy vegetable belonging to the chicory family, often used in salads.
Example
She added fresh endive to the salad for a slightly bitter flavor.
Añadió endivia fresca a la ensalada para darle un sabor ligeramente amargo.
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.
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 noun /ˈiːɡlət/

eaglet

aguilucho
Meaning
A young eagle.
Example
The eaglet waited in the nest for its mother to return.
El aguilucho esperó en el nido a que su madre regresara.
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.
C1 verb /ɪɡˈzæspəˌreɪt/

exasperate

exasperar
Meaning
to irritate or annoy intensely
Example
His constant complaints began to exasperate his coworkers.
Sus constantes quejas comenzaron a exasperar a sus compañeros de trabajo.
B1 adjective /ɪmˈbær.ə.sɪŋ/

Embarrassing

vergonzoso; incómodo; humillante
Meaning
causing shame or awkwardness; uncomfortable; humiliating
Example
It was embarrassing when I forgot her name.
Fue embarazoso cuando olvidé su nombre.
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.
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.
C2 noun /ɪɡˈzɛmplɑːr/

exemplar

ejemplo
Meaning
A model or pattern to be copied or imitated.
Example
She is an exemplar of kindness and generosity.
Ella es un ejemplo de amabilidad y generosidad.
A2 noun /ˈen.ə.mi/

Enemy

enemigo
Meaning
a person who is actively opposed or hostile to someone or something
Example
In the story, the hero had to face his greatest enemy.
En la historia, el héroe tuvo que enfrentarse a su mayor enemigo.
B2 noun /ˈes.əns/

Essence

esencia
Meaning
the intrinsic nature or indispensable quality of something
Example
The essence of good teaching is the ability to inspire students.
La esencia de una buena enseñanza es la capacidad de inspirar a los estudiantes.
B1 adjective /ˌen.təˈteɪ.nɪŋ/

Entertaining

entretenido; divertido y cautivador
Meaning
providing amusement or enjoyment; funny and engaging
Example
The comedian's performance was very entertaining and kept the audience laughing.
La actuación del comediante fue muy entretenida y mantuvo a la audiencia riendo.
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 noun /ˈiːɡətɪst/

egotist

ególatra
Meaning
A person who is excessively self-centered or talks too much about themselves.
Example
The egotist dominated the conversation by talking only about his own achievements.
El ególatra dominó la conversación hablando solo de sus propios logros.
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.
B1 adjective /ˈiː.ɡər/

Eager

ansioso; entusiasta; con ganas de; emocionado
Meaning
showing keen interest; enthusiastic; having or showing desire and excitement
Example
She was eager to start her new job.
Ella estaba ansiosa por comenzar su nuevo trabajo.
C1 adjective /ˌɛm.briˈɒn.ɪk/

embryonic

embrionario
Meaning
in an early or undeveloped stage; relating to an embryo
Example
The project is still in its embryonic stage.
El proyecto aún está en su etapa embrionaria.
C2 noun /ˈiːɡres/

egress

egreso
Meaning
The action of going out or leaving a place; an exit.
Example
The emergency door provided an egress for the trapped workers.
La puerta de emergencia proporcionó un egreso para los trabajadores atrapados.
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 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 adjective ˈel.ɪ.dʒə.bəl

eligible

elegible
Meaning
Having the right to do or obtain something through satisfaction of the appropriate conditions.
Example
Only eligible candidates are considered for appointments.
Solo los candidatos elegibles son considerados para los nombramientos.
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.
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.
B2 noun /ˈɛseɪ/

essay

ensayo
Meaning
A short piece of writing on a particular subject.
Example
She wrote an essay about climate change.
Ella escribió un ensayo sobre el cambio climático.
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 verb /ɪnˈtaɪtəl/

entitle

dar derecho a
Meaning
to give someone the right to have or do something
Example
Employees are entitled to receive paid holidays.
Los empleados tienen derecho a recibir vacaciones pagadas.
C2 verb /ɪkˈspeɪʃiˌeɪt/

expatiate

hablar o escribir en detalle
Meaning
to speak or write at length or in detail
Example
The professor expatiated on the importance of critical thinking.
El profesor expuso en detalle la importancia del pensamiento crítico.
B1 noun /ɪˌlɛkˈtrɒnɪks/

electronics

electrónica
Meaning
the branch of physics and technology dealing with circuits and devices using transistors, microchips, and other components
Example
He studied electronics at university.
Estudió electrónica en la universidad.
A1 determiner/pronoun /iːtʃ/

each

cada
Meaning
every one of two or more people or things considered separately
Example
Each student received a certificate.
Cada estudiante recibió un certificado.
C2 noun /ɪˈfʌldʒəns/

effulgence

resplandor
Meaning
Brilliant radiance or shining brightness.
Example
The effulgence of the sunrise lit up the entire valley.
El resplandor del amanecer iluminó todo el valle.