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A1 adverb /ɛls/

else

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

extemporize

improvisar
Meaning
To speak or perform without preparation; improvise.
Example
The actor had to extemporize when he forgot his lines.
El actor tuvo que improvisar cuando olvidó sus líneas.
B2 noun ˈiː.kəʊˌsɪs.təm

ecosystem

ecosistema
Meaning
A biological community of interacting organisms and their physical environment.
Example
A balanced ecosystem is crucial for environmental sustainability.
Un ecosistema equilibrado es crucial para la sostenibilidad ambiental.
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.
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.
B2 verb ˈeksɪkjuːt

execute

ejecutar
Meaning
To carry out or put into effect a plan, order, or course of action.
Example
NASA plans to execute the mission in three phases.
La NASA planea ejecutar la misión en tres fases.
B2 noun /ɪˈmɜːrdʒəns/

emergence

emergencia
Meaning
the process of coming into view, existence, or prominence
Example
The emergence of new technologies has transformed communication.
La emergencia de nuevas tecnologías ha transformado la comunicación.
C2 adjective /ɪɡˈzɔːstɪbəl/

exhaustible

agotable
Meaning
able to be used up completely; not infinite
Example
Coal and oil are exhaustible resources.
El carbón y el petróleo son recursos agotables.
C2 noun /ɪˌlɛkˈtrɑː.lə.sɪs/

electrolysis

electrólisis
Meaning
A chemical decomposition produced by passing an electric current through a liquid or solution.
Example
Electrolysis is used to separate hydrogen from water.
Se utiliza la electrólisis para separar el hidrógeno del agua.
B1 verb /ɪˈneɪbəl/

enable

habilitar
Meaning
to make something possible; to give power or ability
Example
This software enables users to edit videos easily.
Este software permite a los usuarios editar videos fácilmente.
B2 adjective ɪkˈsplɪsɪt

explicit

explícito
Meaning
Stated clearly and in detail, leaving no room for confusion or doubt.
Example
The instructions were explicit, leaving no room for confusion.
Las instrucciones fueron explícitas, no dejaron lugar para la confusión.
A1 noun, verb /ˈiː.meɪl/

e-mail

correo electrónico
Meaning
messages distributed by electronic means from one computer user to another
Example
I sent an e-mail to my professor yesterday.
Envié un correo electrónico a mi profesor ayer.
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.
B1 noun /ˈev.ɪ.dəns/

Evidence

evidencia
Meaning
the available body of facts or information indicating whether a belief or proposition is true
Example
The detective found crucial evidence that solved the mysterious case.
El detective encontró evidencia crucial que resolvió el caso misterioso.
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 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.
C1 noun /ɪkˈstræv.ə.ɡəns/

Extravagance

gasto excesivo; derroche
Meaning
lack of restraint in spending money; excessive expense
Example
The wedding celebration was criticized for its unnecessary extravagance.
La celebración de la boda fue criticada por su extravagancia innecesaria.
B2 noun /ɪkˈskɜː.ʃən/

Excursion

excursión; viaje corto
Meaning
a short journey or trip, especially one engaged in as a leisure activity
Example
The school organized an excursion to the science museum for all students.
La escuela organizó una excursión al museo de ciencias para todos los estudiantes.
B2 verb /ˈɛmɪˌɡreɪt/

emigrate

emigrar
Meaning
To leave one's own country in order to settle permanently in another.
Example
Many people emigrated from Europe to America in the 19th century.
Muchas personas emigraron de Europa a América en el siglo XIX.
C2 noun /ˈɛkwɪpɔɪz/

equipoise

equilibrio
Meaning
A state of balance or equilibrium.
Example
Her calmness created an equipoise in the heated debate.
Su calma creó un equilibrio en el debate acalorado.
B2 verb /ɪˈvoʊk/

evoke

evocar
Meaning
to bring a feeling, memory, or image into the mind
Example
The old song evoked memories of her childhood.
La vieja canción evocó recuerdos de su infancia.
C1 noun /ɪˈpɪt.ə.mi/

epitome

un ejemplo perfecto de una calidad o tipo particular; la mejor representación de algo
Meaning
A perfect example of a particular quality or type; the best representation of something.
Example
She is the epitome of grace and kindness.
Ella es el epítome de la gracia y la amabilidad.
C1 adjective /ɪmˈbrɔɪld/

embroiled

involucrado
Meaning
being deeply involved in a difficult situation, conflict, or scandal
Example
She found herself embroiled in a heated family dispute.
Se encontró a sí misma involucrada en una acalorada disputa familiar.
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.
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.
B1 noun /ɪɡˈzɪs.təns/

Existence

existencia
Meaning
the fact or state of living or having objective reality; being alive
Example
Scientists are searching for evidence of life's existence on other planets.
Los científicos están buscando evidencia de la existencia de la vida en otros planetas.
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.
B2 noun ɪkˈspænʃən

expansion

expansión
Meaning
The action of becoming larger or more extensive; growth or development.
Example
Volunteering helps in the expansion of social networks.
El voluntariado ayuda en la expansión de redes sociales.
C1 noun /ˈjuː.fə.mɪ.zəm/

euphemism

un término suave o indirecto sustituido por uno considerado demasiado directo o áspero
Meaning
A mild or indirect term substituted for one considered too harsh or direct; polite expression for something unpleasant.
Example
The phrase "passed away" is a euphemism for "died".
La frase 'pasado lejos' es un eufemismo para 'muerto'.
C1 verb /ɪnˈʃraɪn/

enshrine

preservar o valorar algo como sagrado o importante
Meaning
to preserve or cherish something as sacred or important
Example
The constitution enshrines the right to freedom of speech.
La constitución consagra el derecho a la libertad de expresión.
C2 noun /ˌiː.mɛnˈdeɪ.ʃən/

emendation

enmendadura
Meaning
a correction or improvement made to a text
Example
The article required several emendations before it was ready for print.
El artículo requirió varias enmiendas antes de estar listo para imprimir.
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.
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 noun ɪˈpɪf.ə.ni

epiphany

revelación repentina o insight
Meaning
A moment of sudden revelation or insight.
Example
He had an epiphany about his true purpose in life.
Él tuvo una epifanía sobre su verdadero propósito en la vida.
B1 noun /ˈɝːθ.kweɪk/

earthquake

terremoto
Meaning
A sudden and violent shaking of the ground as a result of movements within the earth's crust.
Example
A powerful earthquake struck Japan last night.
Un terremoto poderoso golpeó Japón anoche.
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 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.
B1 noun /ɪˈmoʊ.ʃən/

Emotion

emoción
Meaning
a strong feeling deriving from one's circumstances, mood, or relationships
Example
Her face showed every emotion she was feeling inside.
Su rostro mostró cada emoción que sentía por dentro.
B2 adverb /ɪˈməʊʃənəli/

emotionally

emocionalmente
Meaning
in a way that relates to a person's feelings or emotions
Example
She became emotionally attached to her pet.
Ella se volvió emocionalmente vinculada a su mascota.
A1 noun /eɡ/

Egg

huevo
Meaning
an oval object laid by female birds, reptiles, fish, and insects, used as food
Example
I had scrambled eggs for breakfast this morning.
Esta mañana comí huevos revueltos para el desayuno.
C2 verb /ˈekspərˌɡeɪt/

expurgate

expurgar
Meaning
To remove offensive or objectionable parts from a text or speech.
Example
The publisher decided to expurgate the novel before reprinting it.
El editor decidió expurgar la novela antes de volver a imprimirla.
B1 noun /ɪkˈspreʃ.ən/

Expression

expresión; manifestación;
Meaning
the act of making thoughts or feelings known; a look on someone's face
Example
The artist's painting was a beautiful expression of her inner emotions.
La pintura del artista fue una hermosa expresión de sus emociones internas.
B2 verb /ɪnˈkwaɪər/

enquire

preguntar
Meaning
to ask for information about something
Example
He enquired about the train schedule.
Él preguntó sobre el horario del tren.
C2 adjective /ɪˈfɛktʃuəl/

effectual

efectivo
Meaning
producing a desired or intended effect, often used in formal contexts
Example
Her effectual efforts brought peace to the community.
Sus esfuerzos efectivos trajeron paz a la comunidad.
B2 verb /ɪkˈskluːd/

exclude

excluir
Meaning
To deliberately leave out or prevent someone or something from being included.
Example
The list excludes temporary workers.
La lista excluye a los trabajadores temporales.
B2 noun /ɪɡˌzædʒ.əˈreɪ.ʃən/

Exaggeration

exageración
Meaning
a statement that represents something as better or worse than it really is
Example
His story about the fish he caught was clearly an exaggeration.
Su historia sobre el pez que atrapó era claramente una exageración.
C1 adjective /ˌiːvænˈdʒɛlɪkəl/

evangelical

evangélico
Meaning
Relating to the Christian gospel, especially the teachings that emphasize personal faith and the authority of the Bible.
Example
She grew up in an evangelical church community.
Ella creció en una comunidad de iglesia evangélica.
B2 adjective /ˌɛm.pəˈθɛ.tɪk/

empathetic

empático
Meaning
Showing ability to understand and share feelings of others.
Example
She was empathetic towards her friend's struggles.
Ella fue empática hacia las luchas de su amiga.
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.
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.
B2 noun /ɪɡˈzɔːstʃən/

exhaustion

agotamiento
Meaning
A state of extreme physical or mental fatigue.
Example
Chronic exhaustion can lead to burnout and decreased productivity.
El agotamiento crónico puede llevar a un agotamiento y una disminución de la productividad.
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.
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.
A2 noun /ɪkˈspɪə.ri.əns/

Experience

experiencia
Meaning
practical contact with and observation of facts or events; knowledge gained through involvement
Example
Her years of teaching experience made her an excellent mentor for new teachers.
Su experiencia en la enseñanza la convirtió en una excelente mentora para los nuevos maestros.
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.
C2 noun /ɪksˈtʃɛkər/

exchequer

tesorería
Meaning
The treasury of a state or country.
Example
The government announced new measures to improve the exchequer.
El gobierno anunció nuevas medidas para mejorar la tesorería.
A2 adjective /ˌjʊərəˈpiːən/

european

europeo
Meaning
Relating to Europe or its people.
Example
She studied European history at university.
Estudió historia europea en la universidad.
B1 verb /ˈɛstɪˌmeɪt/

estimate

estimar
Meaning
To roughly calculate or judge the value, number, quantity, or extent of something.
Example
The engineer estimated the cost of the project at $5 million.
El ingeniero estimó el costo del proyecto en 5 millones de dólares.
C2 noun /ɪˈfjuːʒən/

effusion

efusión
Meaning
An unrestrained outpouring of words, feelings, or emotions.
Example
His letter was an effusion of love and longing.
Su carta fue una efusión de amor y anhelo.
C2 verb /ɪˈfeɪsɪŋ/

effacing

borrar / hacerse invisible
Meaning
erasing or making oneself inconspicuous; to remove or diminish in significance
Example
She kept effacing herself during the meeting so that others could shine.
Ella siguió borrándose a sí misma durante la reunión para que los demás pudieran brillar.
C2 verb /ɛnˈfiːbəl/

enfeeble

debilitar
Meaning
To make weak or feeble; to deprive of strength.
Example
The long illness enfeebled the old man.
La larga enfermedad debilitó al anciano.
C1 verb /ɪˈroʊd/

erode

erosionar
Meaning
to gradually wear away or destroy by natural forces such as water, wind, or chemical action
Example
The coastline has begun to erode due to constant waves.
La línea costera ha comenzado a erosionarse debido a las olas constantes.
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.
A2 noun ɪˈmɜː.dʒən.si

emergency

emergencia
Meaning
A sudden situation that is dangerous or serious and needs immediate attention or action.
Example
A financial emergency can arise at any time.
Una emergencia financiera puede surgir en cualquier momento.
A2 noun ˈen.ə.dʒi

energy

energía
Meaning
Power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
Example
Clean energy sources help reduce pollution.
Las fuentes de energía limpia ayudan a reducir la contaminación.
A1 noun /iːst/

east

este
Meaning
The direction from which the sun rises; one of the four cardinal points.
Example
The sun rises in the east.
El sol sale por el este.
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.
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.
A2 noun /ɪmˈplɔɪər/

employer

empleador
Meaning
A person or organization that hires and pays people to work.
Example
The employer promised better benefits to attract skilled workers.
El empleador prometió mejores beneficios para atraer a trabajadores calificados.
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 verb /ɪmˈbɛl.ɪʃ/

embellish

adornar
Meaning
To make something more attractive by adding decorative details or exaggerating.
Example
He tends to embellish stories to make them more interesting.
Tiende a adornar las historias para hacerlas más interesantes.
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.
B1 verb /ɪnˈɡeɪdʒ/

engage

involucrar
Meaning
To participate or become involved in; to attract or hold attention.
Example
The teacher tried to engage the students in the discussion.
El profesor intentó involucrar a los estudiantes en la discusión.
B1 verb /ɪkˈsplɔːr/

explore

explorar
Meaning
to travel through or study something in order to learn more about it
Example
They decided to explore the forest together.
Decidieron explorar el bosque juntos.
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.
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 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 verb /ɪɡˈzʌlt/

exult

exultar
Meaning
to show or feel great joy, often as a result of success
Example
The fans exulted after their team won the championship.
Los aficionados exultaron después de que su equipo ganó el campeonato.
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 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.
B2 verb ˈɛkəʊd

echoed

retumbado
Meaning
To repeat or resound; to be reminiscent of something.
Example
The words of gratitude echoed in his heart.
Las palabras de gratitud retumbaron en su corazón.
B2 verb ˈel.ɪ.veɪt

elevate

elevar, levantar, aumentar a un nivel más importante o impresionante
Meaning
To lift to a higher position; to raise to a more important or impressive level.
Example
Good leadership can elevate team performance.
Un buen liderazgo puede elevar el rendimiento del equipo.
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.
A2 noun /ɪkˈskjuːs/

Excuse

excusas
Meaning
a reason or explanation put forward to defend or justify a fault or offense
Example
Being tired is not a valid excuse for not completing your homework.
Estar cansado no es una excusa válida para no hacer tu tarea.
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 /ɪˈvækjueɪt/

evacuate

evacuar
Meaning
To remove people from a dangerous place to safety.
Example
The residents were ordered to evacuate the building after the fire alarm.
Los residentes fueron ordenados a evacuar el edificio después de la alarma de incendio.
C2 noun /ˈiːən/

eon

era
Meaning
an indefinitely long period of time; an age
Example
Dinosaurs lived millions of years ago, in a different eon.
Los dinosaurios vivieron hace millones de años, en una era diferente.
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.
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.
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.
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.
B2 verb /ɪmˈpaʊər/

empower

empoderar
Meaning
To give someone the power or authority to do something; to make someone stronger or more confident.
Example
Education can empower people to improve their lives.
La educación puede empoderar a las personas para mejorar sus vidas.
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.
C2 verb /ɪsˈtʃuː/

eschew

evitar
Meaning
to deliberately avoid or abstain from something
Example
She chose to eschew junk food for a healthier diet.
Ella decidió evitar la comida chatarra por una dieta más saludable.
C1 noun ɪnˈdaʊmənt

endowment

donación, legado
Meaning
An income or form of property given or bequeathed to someone.
Example
The university received a large endowment for research.
La universidad recibió una gran donación para la investigación.
C2 verb /ɛmˈbleɪzən/

emblazon

adornar de manera destacada
Meaning
To decorate or display something in a noticeable or impressive way.
Example
The team's logo was emblazoned on their uniforms.
El logotipo del equipo estaba emblemazado en sus uniformes.
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 /ˈɪəri/

eyrie

nido de águila
Meaning
the nest of a bird of prey, such as an eagle, typically built high on a cliff or tree
Example
The eagle’s eyrie was perched high on the mountain cliff.
El nido de águila estaba ubicado en la cima de un acantilado de montaña.
C1 noun /ˈiː.zi tʃeər/

Easy-chair

sillón reclinable
Meaning
a comfortable chair with arms and a back that reclines
Example
He relaxed in his favorite easy-chair after work.
Se relajó en su sillón favorito después del trabajo.
C2 adjective /ˈɛkstənt/

extant

existente
Meaning
Still in existence; surviving.
Example
Only a few manuscripts from the ancient library are extant.
Solo unos pocos manuscritos de la antigua biblioteca están extintos.
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 /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.
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.
A2 noun /ˈef.ət/

Effort

esfuerzo
Meaning
physical or mental activity needed to achieve something
Example
She put a lot of effort into preparing for the final examination.
Ella puso mucho esfuerzo en preparar el examen final.
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.
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.
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.
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.
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 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.
C2 noun /ˈɛpɪɡræm/

epigram

epigrama
Meaning
A short, witty saying or poem that expresses an idea in a clever way.
Example
Oscar Wilde was famous for his sharp epigrams.
Oscar Wilde fue famoso por sus agudos epigramas.
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.
C1 adjective /ɪˈleɪtɪd/

elated

extremadamente feliz
Meaning
Extremely happy and excited.
Example
She was elated when she heard the good news.
Estaba extremadamente feliz cuando escuchó las buenas noticias.
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 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.
B1 noun /ˈɛpɪsoʊd/

episode

episodio
Meaning
An event or part of a story, or one installment in a series.
Example
The last episode of the drama was watched by millions.
El último episodio del drama fue visto por millones.
B2 verb /ɪnˈɡeɪdʒɪŋ/

engaging

involucrar
Meaning
Participating or becoming involved in; occupying or attracting someone's interest or attention.
Example
Engaging youth in education is essential.
Es esencial involucrar a los jóvenes en la educación.
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 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.
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.
B2 noun ˌiːkəˈlɒdʒɪkəl ˈbæləns

ecological balance

balance ecológico
Meaning
A state of dynamic equilibrium within a community of organisms.
Example
Maintaining ecological balance is essential for a sustainable planet.
Mantener el equilibrio ecológico es esencial para un planeta sostenible.