extraction
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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 noun/adjective /ɪˈliːtɪst/

elitist

elitista
Meaning
A person who believes that a society should be led by an elite; showing preference for a privileged class.
Example
His elitist attitude made him unpopular among his peers.
Su actitud elitista lo hizo impopular entre sus compañeros.
B2 adjective /ɪkˈskluːsɪv/

exclusive

restringido a una persona, grupo o área particular; no compartido con otros
Meaning
restricted to a particular person, group, or area; not shared with others
Example
The hotel offers exclusive access to a private beach.
El hotel ofrece acceso exclusivo a una playa privada.
C2 noun /ˌiː.tiˈɒ.lə.dʒi/

etiology

etiología
Meaning
the cause or origin of a disease or condition
Example
Doctors are studying the etiology of the new virus.
Los médicos están estudiando la etiología del nuevo virus.
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.
B2 verb ɪˈmɜːdʒɪz

emerges

emergir
Meaning
To come forth, appear, or arise from something
Example
A major health crisis emerges from pollution.
Una gran crisis de salud emerge de la contaminación.
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 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.
C2 adjective /ˌen.zɪˈmæt.ɪk/

enzymatic

relacionado con enzimas
Meaning
Relating to or involving enzymes, which are proteins that catalyze biochemical reactions in living organisms.
Example
Enzymatic reactions regulate metabolism in the human body.
Las reacciones enzimáticas regulan el metabolismo en el cuerpo humano.
B2 adjective /ɪkˈstræv.ə.ɡənt/

Extravagant

extravagante
Meaning
spending much more than is necessary; wasteful; lacking restraint in spending
Example
His extravagant lifestyle included expensive cars and luxury vacations.
Su estilo de vida extravagante incluía autos caros y vacaciones de lujo.
C2 adjective /ˌɛlɪˈfæntaɪn/

elephantine

elefantino
Meaning
Huge, clumsy, or resembling an elephant in size or movement.
Example
The man moved with an elephantine grace.
El hombre se movió con una gracia elefantiina.
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.
B2 adjective /ɪˈmɜːrdʒɪŋ/

emerging

emergente
Meaning
becoming known, developing, or starting to exist
Example
Bangladesh is one of the fastest emerging economies in the world.
Bangladesh es una de las economías emergentes más rápidas del mundo.
C2 adjective /ˈɛstɪməbl/

estimable

estimable
Meaning
Worthy of great respect.
Example
Her estimable achievements inspired the whole community.
Sus logros estimables inspiraron a toda la comunidad.
C2 verb /ɪkˈstɛnjueɪt/

extenuate

atenuar
Meaning
to make an offense, fault, or situation seem less serious by providing an excuse or explanation
Example
The lawyer tried to extenuate his client's actions by highlighting his difficult childhood.
El abogado trató de atenuar las acciones de su cliente destacando su difícil infancia.
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.
B2 verb /ɪnˈdeɪndʒər/

endanger

poner en peligro
Meaning
To put someone or something at risk or in danger.
Example
Cutting down forests can endanger many species of animals.
Cortar los bosques puede poner en peligro muchas especies de animales.
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.
C1 noun /ˈɛksədəs/

exodus

éxodo
Meaning
A mass departure of people from a place.
Example
There was a sudden exodus of workers after the strike began.
Hubo un éxodo repentino de trabajadores después de que comenzara la huelga.
A1 pronoun /ˈɛvrɪwʌn/

everyone

todos
Meaning
every person; all people
Example
Everyone must bring their own lunch.
Todos deben traer su propio almuerzo.
C1 noun /ɪɡˈzuːbərəns/

exuberance

exuberancia
Meaning
the quality of being full of energy, excitement, and cheerfulness
Example
Her exuberance made the whole team feel motivated.
Su exuberancia hizo que todo el equipo se sintiera motivado.
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.
A1 noun/adjective /ˈɪŋɡlɪʃ/

english

inglés
Meaning
The language of England, widely spoken around the world; relating to England or its people.
Example
She is learning English to study abroad.
Ella está aprendiendo inglés para estudiar en el extranjero.
A2 noun/verb /ɪkˈsperɪmənt/

experiment

experimento
Meaning
a test or trial carried out to discover something or prove an idea
Example
The scientist conducted an experiment on plant growth.
El científico realizó un experimento sobre el crecimiento de las plantas.
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.
A2 verb /ɪnˈkɜːrɪdʒ/

encourage

alentar
Meaning
to give support, confidence, or hope; to motivate
Example
Teachers should encourage students to ask questions.
Los maestros deben alentar a los estudiantes a hacer preguntas.
C2 noun /ɪɡˈzækʃən/

exaction

exacción
Meaning
the act of demanding or obtaining something, especially unfairly
Example
The peasants suffered under the king's heavy exactions.
Los campesinos sufrieron bajo las severas exacciones del rey.
C2 noun /ɪkˌspɒstjʊˈleɪʃən/

expostulation

protesta
Meaning
the act of expressing protest or disagreement
Example
His expostulation against the unfair rules was ignored.
Su protesta contra las reglas injustas fue ignorada.
B2 verb /ɪkˈskleɪm/

exclaim

gritar
Meaning
to cry out suddenly in surprise, strong emotion, or excitement
Example
She exclaimed with joy when she saw the gift.
Ella exclamó con alegría cuando vio el regalo.
B1 adjective /ˈiːvəl/

evil

malvado
Meaning
Profoundly immoral and wicked.
Example
They believed the villain was the embodiment of evil.
Creían que el villano era la encarnación del mal.
C1 noun /ɛkˈspeɪtriət/

expatriate

expatriado
Meaning
a person who lives outside their native country
Example
Many expatriates gather in the city’s international community.
Muchos expatriados se reúnen en la comunidad internacional de la ciudad.
C1 verb /ɪˈleɪt/

elate

alegrar
Meaning
To make someone very happy or proud.
Example
The success of the project elated the whole team.
El éxito del proyecto alegró a todo el equipo.
B1 noun /ɪkˈstent/

Extent

extensión; alcance; grado
Meaning
the area covered by something; the degree to which something has spread
Example
The extent of the damage caused by the flood was enormous.
La extensión del daño causado por la inundación fue enorme.
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 noun /ɪˈrʌp.ʃən/

Eruption

erupción volcánica
Meaning
a sudden violent occurrence or outburst; volcanic explosion
Example
The volcanic eruption forced thousands of people to evacuate the area.
La erupción volcánica obligó a miles de personas a evacuar el área.
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.
C2 noun /ɪˈlɪksər/

elixir

elíxir
Meaning
A magical or medicinal potion believed to cure illnesses or grant immortality.
Example
The old legend spoke of an elixir that could grant eternal youth.
La antigua leyenda hablaba de un elixir que podría otorgar juventud eterna.
C2 adjective /ɪˈmɛrɪtəs/

emeritus

emerito honorario
Meaning
having retired but allowed to retain their title as an honor
Example
He is a professor emeritus at the university.
Él es un profesor emérito en la universidad.
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'.
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.
A1 noun /end/

End

fin; conclusión; término;
Meaning
the final part of something; termination or conclusion
Example
The end of the movie was unexpected and left everyone surprised.
El final de la película fue inesperado y dejó a todos sorprendidos.
C2 verb ɪɡˈzɔːrt

exhort

exhortar
Meaning
To strongly encourage or urge someone to do something.
Example
The teacher exhorted students to work hard for exams.
El profesor exhortó a los estudiantes a trabajar duro para los exámenes.
A2 noun /ɛmˈplɔɪ.iː/

employee

empleado
Meaning
A person who works for an organization or company in return for payment.
Example
The company values each employee's contribution to its success.
La empresa valora la contribución de cada empleado a su éxito.
C2 adjective /ˈɪrˌsplɪtɪŋ/

earsplitting

ensordecedor
Meaning
extremely loud or piercing sound
Example
The earsplitting noise of the fire alarm startled everyone.
El ensordecedor ruido de la alarma contra incendios sorprendió a todos.
C2 adjective /ɛmˈpaɪriəl/

empyreal

celestial
Meaning
Heavenly, divine, or relating to the highest heavens.
Example
The poet described the empyreal beauty of the stars.
El poeta describió la belleza celestial de las estrellas.
C2 noun /ɛˌspriː də ˈkɔːr/

esprit de corps

sentimiento de grupo
Meaning
A feeling of pride, fellowship, and loyalty shared by members of a group.
Example
The team's esprit de corps was evident in their cooperative effort.
El sentimiento de grupo del equipo era evidente en su esfuerzo cooperativo.
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.
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.
A2 noun /ɪˈkɒn.ə.mi/

economy

economía
Meaning
The wealth and resources of a country or region.
Example
A stable economy is essential for national growth.
Una economía estable es esencial para el crecimiento nacional.
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 /ˈɜːrθ.li/

Earthly

terrenal; mundano; material
Meaning
relating to the earth or human life; worldly; material rather than spiritual
Example
He focused on earthly pleasures rather than spiritual growth.
Se centró en los placeres terrenales en lugar del crecimiento espiritual.
C2 noun /ɪkˈskrɛsəns/

excrescence

crecimiento anómalo
Meaning
An abnormal outgrowth or lump, often considered unattractive.
Example
The building was considered an excrescence on the landscape.
El edificio fue considerado una excrescencia en el paisaje.
C2 adjective /ˌɛkstrəˌdʒuːˈdɪʃəl/

extrajudicial

extrajudicial
Meaning
done outside the authority of the legal system or judicial process
Example
The activists condemned the extrajudicial killings.
Los activistas condenaron los asesinatos extrajudiciales.
C2 verb /ˈjuːləˌdʒaɪz/

eulogize

elogiar
Meaning
To praise highly in speech or writing, especially in honor of someone who has died.
Example
They gathered to eulogize their beloved teacher.
Ellos se reunieron para elogiar a su querido maestro.
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.
C2 verb /ɪˈmæskjʊleɪt/

emasculate

emascolar
Meaning
To make someone weaker or less effective; to deprive of strength or vigor.
Example
The constant criticism emasculated his confidence.
La crítica constante emasculó su confianza.
C1 noun /ˌekspəˈzɪʃən/

exposition

exposición
Meaning
a detailed explanation or a large public exhibition
Example
The scientist gave a clear exposition of the theory.
El científico dio una explicación clara de la teoría.
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.
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.
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 /ˈen.ə.dʒi sɪˈkjʊə.rɪ.ti/

energy security

seguridad energética
Meaning
The reliable availability of energy sources at an affordable price for a nation or region.
Example
Energy security ensures consistent supply.
La seguridad energética asegura el suministro constante.
C2 noun /ɛmˈpɔːriəm/

emporium

gran tienda
Meaning
A large retail store selling a wide variety of goods.
Example
They visited the new emporium to buy furniture and home decor.
Visitaron el nuevo empórium para comprar muebles y decoración para el hogar.
B2 verb /ɪmˈbɑːrk/

embark

embarcar
Meaning
to begin a journey, project, or activity
Example
She decided to embark on a new career in medicine.
Ella decidió embarcarse en una nueva carrera en medicina.
C2 noun, adjective /ɪˈklɪptɪk/

ecliptic

eclíptica
Meaning
The apparent path of the sun across the sky; relating to eclipses or this path.
Example
The ecliptic is the plane of Earth's orbit around the Sun.
La eclíptica es el plano de la órbita de la Tierra alrededor del Sol.
C2 noun /ˈjuːər/

ewer

jarra
Meaning
a large jug with a wide mouth, especially used in the past for carrying water
Example
The servant filled the ewer with fresh water.
El sirviente llenó la jarra con agua fresca.
C1 noun /ɪkˈstriː.mɪst/

Extremist

extremista
Meaning
a person who holds extreme political or religious views
Example
The government is taking measures to prevent extremist activities.
El gobierno está tomando medidas para prevenir actividades extremistas.
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.
B2 verb /ɪnˈdɔːrs/

endorse

respaldar
Meaning
To give approval or support to someone or something; to publicly recommend.
Example
The celebrity endorsed the new skincare product.
La celebridad respaldó el nuevo producto para el cuidado de la piel.
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.
C2 noun /juː/

Ewe

oveja hembra
Meaning
a female sheep
Example
The ewe gave birth to twin lambs.
La oveja dio a luz a corderos gemelos.
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 noun /ˈɜːr.θən pɒt/

Earthen pot

recipiente de barro
Meaning
a container made of baked clay or earth, used for cooking or storing
Example
The earthen pot keeps water naturally cool in summer.
El recipiente de barro mantiene el agua naturalmente fresca en verano.
A1 noun /ˈiːv.nɪŋ/

evening

tarde
Meaning
the part of the day between afternoon and night
Example
We went for a walk in the cool evening.
Fuimos a caminar en la fresca tarde.
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.
C2 verb /ɪkˈspɛktəreɪt/

expectorate

expectorar
Meaning
to cough up and spit out mucus from the throat or lungs
Example
The patient began to expectorate thick mucus.
El paciente comenzó a expectorar mucosidad espesa.
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.
C1 verb /ɪˈnjuːməˌreɪt/

enumerate

enumerar
Meaning
to mention things one by one; to list or count
Example
She enumerated the reasons for her decision.
Ella enumeró las razones para su decisión.
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.
A2 noun /ɪˌlɛkˈtrɪsɪti/

electricity

electricidad
Meaning
A form of energy resulting from the existence of charged particles.
Example
The storm caused a power cut and we had no electricity.
La tormenta causó un corte de energía y no teníamos electricidad.
C2 adjective /ɪˈfjuːsɪv/

effusive

efusivo
Meaning
Expressing feelings of gratitude, pleasure, or approval in an unrestrained or heartfelt manner.
Example
She gave him an effusive welcome after his long journey.
Ella le dio una bienvenida efusiva después de su largo viaje.
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.
A2 adjective ˈiːkwəl

equal

igual
Meaning
Being the same in quantity, size, degree, or value; having the same status or treatment.
Example
Bose was regarded as Galileo's equal.
Bose fue considerado como el igual de Galileo.
C1 verb /ɪɡˈzɔːlt/

exalt

exaltar, ensalzar
Meaning
to praise highly or raise in rank, honor, or power
Example
The community exalted the teacher for his dedication.
La comunidad exaltó al maestro por su dedicación.
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.
A1 verb /ɪnˈdʒɔɪ/

enjoy

disfrutar
Meaning
to take pleasure in; to have a good time
Example
I enjoy reading books in my free time.
Disfruto leer libros en mi tiempo libre.
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 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 /ɪnˈreɪdʒ/

enrage

enfurecer
Meaning
To make someone extremely angry.
Example
His unfair remarks enraged the audience.
Sus comentarios injustos enfurecieron a la audiencia.
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 /ˈɛnərˌveɪtɪd/

enervated

agotado
Meaning
Lacking energy, vitality, or strength; weakened or exhausted.
Example
After the long meeting, she felt completely enervated.
Después de la larga reunión, se sintió completamente agotada.
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.
C2 verb /ɛnˈkɪndl/

enkindle

encender, inspirar
Meaning
to set on fire or inspire strong emotion
Example
The speech enkindled hope in the audience.
El discurso encendió la esperanza en la audiencia.
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.
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.
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 /ˈɛspiənɑːʒ/

espionage

espionaje
Meaning
The practice of spying or using spies to gather secret information, usually for political or military purposes.
Example
The agent was arrested on charges of espionage against the state.
El agente fue arrestado por cargos de espionaje contra el estado.
B1 noun /ɪnˈθjuː.zi.æz.əm/

Enthusiasm

entusiasmo; fervor; ardor
Meaning
intense and eager enjoyment, interest, or approval
Example
Her enthusiasm for the project inspired the entire team.
Su entusiasmo por el proyecto inspiró a todo el equipo.
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.
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.
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 /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 noun /ˌɛkstrəˈdɪʃən/

extradition

extradición
Meaning
the official process of sending someone accused of a crime to another country or state
Example
The extradition of the suspect was delayed due to legal issues.
La extradición del sospechoso se retrasó debido a problemas legales.
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.
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.
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.
B1 adjective ɪˈstæb.lɪʃt

established

establecido
Meaning
Having been in existence for a long time and therefore recognized and generally accepted; set up on a firm or permanent basis.
Example
Democracy was established under strong leadership.
La democracia fue establecida bajo un liderazgo fuerte.
C1 noun /ˈɒntreɪ/ (UK), /ˈɑːntreɪ/ (US)

entree

plato principal
Meaning
The main course of a meal (US); the right to enter or access (formal).
Example
The restaurant’s signature steak was served as the main entree.
El filete característico del restaurante se sirvió como plato principal.
C1 verb /ɪmˈboʊl.dən/

embolden

empujar
Meaning
To give someone the courage or confidence to do something.
Example
The coach's words emboldened the team to play aggressively.
Las palabras del entrenador empujaron al equipo a jugar de manera agresiva.
B2 adjective /ɪɡˈzɑːtɪk/

exotic

exótico y atractivo
Meaning
Unusual and attractive because it is from a foreign place or culture.
Example
The garden was filled with exotic plants from tropical countries.
El jardín estaba lleno de plantas exóticas de países tropicales.
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.
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 noun /ɪkˈspɛktənsi/

expectancy

expectativa
Meaning
the state of expecting something; anticipation or likelihood
Example
There was a sense of expectancy in the room before the results were announced.
Había un sentido de expectación en la sala antes de que se anunciaran los resultados.
A2 noun/verb /ˌɛndʒɪˈnɪər/

engineer

ingeniero
Meaning
A person trained to design, build, or maintain engines, machines, or structures; to skillfully arrange or bring about.
Example
The engineer designed a new bridge across the river.
El ingeniero diseñó un nuevo puente sobre el río.
B1 noun /ɪnˈkʌrɪdʒmənt/

encouragement

ánimo
Meaning
the action of giving someone support, confidence, or hope
Example
Her encouragement helped me finish the project.
Su ánimo me ayudó a terminar el proyecto.
C2 verb /ɪˈvɪns/

evince

demostrar
Meaning
to show or demonstrate clearly
Example
She evinced her interest in the project through active participation.
Ella evidenció su interés en el proyecto mediante una participación activa.
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.
C2 noun /ɪˈlɪziəm/

elysium

elíseo
Meaning
A place or state of perfect happiness; in Greek mythology, the afterlife paradise.
Example
For her, the garden was a personal elysium.
Para ella, el jardín era un elíseo personal.
B2 noun /ˈɜːrnər/

earner

ingresador
Meaning
A person who earns money through work or business
Example
She is the primary earner in her family.
Ella es la principal ingresador en su familia.
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.
C2 adjective /ˌɛsəˈtɛrɪk/

esoteric

esotérico
Meaning
intended for or understood by only a small number of people with special knowledge
Example
The professor gave an esoteric lecture on ancient philosophy.
El profesor dio una conferencia esotérica sobre filosofía antigua.
C2 noun /ɪˈmɛtɪk/

emetic

emético
Meaning
a substance that causes vomiting
Example
The doctor administered an emetic to remove the poison.
El doctor administró un emético para eliminar el veneno.