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C2 noun /ˈɑːriə/

aria

pieza vocal en solitario
Meaning
a solo vocal piece with instrumental accompaniment, typically in an opera
Example
The soprano performed a moving aria during the second act.
La soprano interpretó un aria conmovedora durante el segundo acto.
C2 noun /əbˈhɒrəns/

abhorrence

abominación
Meaning
a feeling of strong disgust or hatred
Example
He expressed his abhorrence of racial discrimination.
Expresó su abominación hacia la discriminación racial.
C2 adverb /əˈsɪdʒuəsli/

assiduously

asiduamente
Meaning
with great care and persistence
Example
He worked assiduously to complete the project before the deadline.
Trabajó asiduamente para completar el proyecto antes de la fecha límite.
C2 verb /əˈɡriːv/

aggrieve

agraviar
Meaning
to cause distress or make someone feel resentful
Example
She felt aggrieved by the unfair decision.
Ella se sintió agraviada por la decisión injusta.
C2 noun /ˌæŋɡləˈfoʊbiə/

anglophobia

anglofobia
Meaning
Dislike or fear of England, English people, or English culture.
Example
The politician was accused of promoting Anglophobia in his speeches.
El político fue acusado de promover la anglofobia en sus discursos.
C2 verb əˈtɛn.ju.eɪt

attenuate

atenuar
Meaning
To reduce the force, effect, or value of something; to make weak or thin.
Example
The medicine helps attenuate the pain.
La medicina ayuda a atenuar el dolor.
C2 verb /əkˈsiːd/

accede

acceder
Meaning
to agree to a request, proposal, or demand; to assume an office or position
Example
The government finally acceded to the demands of the protesters.
El gobierno finalmente accedió a las demandas de los manifestantes.
C2 noun /ˈæpəplɛksi/

apoplexy

Pérdida súbita de conciencia o control debido a un derrame cerebral o rabia extrema
Meaning
A sudden loss of consciousness or control due to stroke or extreme anger.
Example
The old man nearly had apoplexy when he heard the shocking news.
El anciano casi sufrió apoplejía cuando escuchó la noticia impactante.
C2 adjective /ˌænθrəpəˈmɔːrfɪk/

anthropomorphic

antropomórfico
Meaning
attributing human characteristics to non-human things, like animals or objects
Example
The cartoon shows an anthropomorphic cat walking on two legs.
El dibujo animado muestra un gato antropomórfico caminando sobre dos patas.
C2 noun /əˈɡrɒnəmi/

agronomy

Agronomía
Meaning
The science and practice of soil management and crop production, focusing on the principles of plant and soil science to optimize agricultural productivity.
Example
Agronomy focuses on soil management and crop production.
La agronomía se enfoca en la gestión del suelo y la producción de cultivos.
C2 adjective /ˈæb.ə.rənt/

aberrant

anómalo
Meaning
deviating from what is normal or expected; abnormal
Example
His aberrant behavior shocked everyone at the meeting.
Su comportamiento anómalo sorprendió a todos en la reunión.
C2 noun /ˈɑːrbərɪˌkʌltʃər/

arboriculture

arboricultura
Meaning
the cultivation and management of trees and shrubs
Example
He studied arboriculture to improve urban green spaces.
Estudió arboricultura para mejorar los espacios verdes urbanos.
C2 verb /əˈnɔɪnt/

anoint

ungir, consagrar
Meaning
To smear or rub with oil, often as part of a religious ceremony or as a sign of consecration.
Example
The priest anointed the king with holy oil.
El sacerdote ungió al rey con aceite santo.
C2 verb /ˈæd.l̩/

addle

confundir
Meaning
To confuse or muddle someone’s mind.
Example
The complicated instructions only served to addle him.
Las instrucciones complicadas solo sirvieron para confundirme.
C2 adjective /əˈmɔːrfəs/

amorphous

amórfico
Meaning
Lacking a clear shape or form; without a defined structure.
Example
The plan remained amorphous and lacked concrete details.
El plan permaneció amorfo y carecía de detalles concretos.
C2 adjective /ˌæk.rɪˈmoʊ.ni.əs/

acrimonious

amargo y lleno de ira
Meaning
Bitter and angry, often involving harsh words.
Example
The debate turned acrimonious after the controversial remark.
El debate se volvió acrimonioso después del comentario controversial.
C2 noun /ˌædʒʊˈreɪʃən/

adjuration

súplica solemne
Meaning
a solemn urging or appeal
Example
The priest made an adjuration for peace and unity.
El sacerdote hizo una súplica solemne por la paz y la unidad.
C2 noun /ˈænsɛstrɪs/

ancestress

ancestro femenina
Meaning
a female ancestor; a woman from whom one is descended
Example
She discovered that her ancestress came from a small village in Bengal.
Descubrió que su ancestro femenina provenía de un pequeño pueblo de Bengala.
C2 adjective /əˈskjuː/

askew

torcido
Meaning
Not in a straight or level position; crooked or tilted.
Example
The picture on the wall hung slightly askew.
El cuadro en la pared estaba colgado ligeramente torcido.
C2 verb /əˈdjuːs/

adduce

presentar evidencia o razones
Meaning
To provide evidence or reasons to support an argument or idea.
Example
The lawyer adduced several examples to support his case.
El abogado adujo varios ejemplos para respaldar su caso.
C2 adjective /ˈæmbjələˌtɔːri/

ambulatory

ambulatorio
Meaning
Relating to or able to walk; relating to outpatient medical care.
Example
The patient is ambulatory and does not require bed rest.
El paciente está ambulatorio y no requiere reposo en cama.
C2 noun /ˈækmi/

acme

cima
Meaning
the highest point of achievement or excellence
Example
Winning the award was the acme of his career.
Ganar el premio fue la cima de su carrera.
C2 noun /ˌær.əˈbɪl.ɪ.ti/

arability

arabilidad
Meaning
The quality of land being suitable for growing crops.
Example
The arability of land depends on soil quality and water availability.
La arabilidad de la tierra depende de la calidad del suelo y de la disponibilidad de agua.
C2 verb /əˈsɛvəˌreɪt/

asseverate

aseverar
Meaning
to affirm or declare positively and earnestly
Example
He asseverated that he had never seen the man before.
Él afirmó que nunca había visto al hombre antes.
C2 verb /ˈæktʃueɪt/

actuate

activar
Meaning
to put into action or motion; to motivate or activate
Example
The engineer actuated the machine with a simple switch.
El ingeniero activó la máquina con un simple interruptor.
C2 verb /əˈbʌt/

abut

colindar
Meaning
to be next to or share a border with
Example
The park abuts the river on the north side.
El parque colinda con el río en el lado norte.
C2 noun /ˈæsənəns/

assonance

asonancia
Meaning
the repetition of vowel sounds in nearby words in poetry or prose
Example
The poet used assonance to create a musical effect in his verse.
El poeta usó la asonancia para crear un efecto musical en su verso.
C2 verb /əˈbeɪs/

abase

rebajar
Meaning
to belittle or degrade someone
Example
He refused to abase himself before the king.
Él se negó a rebajarse ante el rey.
C2 adjective ˌeə.rəʊˈstæt.ɪk

aerostatic

aerostático
Meaning
Relating to or involving gases (especially air) in equilibrium and the equilibrium of balloons or aircraft under the influence of such gases.
Example
Aerostatic designs ensure stability at high altitudes.
Los diseños aerostáticos aseguran estabilidad a grandes altitudes.
C2 noun /ˈɔːlmənæk/

almanac

almanaque
Meaning
An annual publication containing calendars, weather forecasts, astronomical data, and other useful information.
Example
He consulted the almanac to check the phases of the moon.
Consultó el almanaque para verificar las fases de la luna.
C2 verb /əˈniːl/

anneal

endurecer con calor
Meaning
To heat and cool metal or glass to make it stronger or less brittle.
Example
The blacksmith annealed the steel to improve its durability.
El herrero aniló el acero para mejorar su durabilidad.
C2 adjective /ˈɑːrtləs/

artless

sencillo, natural
Meaning
Without deception or pretentiousness; natural and simple.
Example
Her artless smile made everyone feel at ease.
Su sonrisa sincera hizo que todos se sintieran cómodos.
C2 noun /ˈævərɪs/

avarice

avaricia
Meaning
extreme greed for wealth or material gain
Example
His avarice led him to exploit his workers.
Su avaricia lo llevó a explotar a sus trabajadores.
C2 noun /ˌæprəˈbeɪʃən/

approbation

aprobación / elogio
Meaning
approval or praise
Example
The plan won the approbation of the board members.
El plan ganó la aprobación de los miembros del consejo.
C2 noun /ˈæntiruːm/

anteroom

antesala
Meaning
A small room leading to a main one, often used as a waiting area.
Example
The guests waited in the anteroom before being called inside.
Los invitados esperaron en la antesala antes de ser llamados adentro.
C2 noun /ænˈtɪfəni/

antiphony

antífona
Meaning
a form of music in which two or more groups or choirs sing alternately in response to each other
Example
The cathedral's architecture was designed to enhance the effect of antiphony.
La arquitectura de la catedral fue diseñada para mejorar el efecto de la antífona.
C2 verb /əˈpraɪz/

apprise

informar
Meaning
to inform or notify someone
Example
The manager will apprise the staff of the new policies.
El gerente informará al personal sobre las nuevas políticas.
C2 noun /ˌɑːrtʃˈdiːkən/

archdeacon

archidiácono
Meaning
A senior clergyman in the Christian Church ranking below a bishop.
Example
The archdeacon assisted the bishop in administrative duties.
El archidiácono ayudó al obispo en los deberes administrativos.
C2 adjective /əˈkɪliən/

achillean

achilliano
Meaning
like or characteristic of Achilles; strong but vulnerable
Example
His achillean pride made him blind to danger.
Su orgullo achilliano lo hizo ciego al peligro.
C2 noun /ˈeɪ.viˌɛr.i/

aviary

aviario
Meaning
a large enclosure for keeping birds
Example
The zoo built a new aviary for exotic parrots.
El zoológico construyó un nuevo aviario para los loros exóticos.
C2 adjective /ˌækrəˈmætɪk/

achromatic

acromático
Meaning
without color; free from color
Example
The designer chose an achromatic palette of black, white, and gray.
El diseñador eligió una paleta acromática de negro, blanco y gris.
C2 noun ˌæɡ.roʊ.iˈkɒl.ə.dʒi

agroecology

agroecología
Meaning
A scientific discipline that studies agricultural systems by applying ecological concepts and principles.
Example
Agroecology promotes eco-friendly farming.
La agroecología promueve la agricultura ecológica.
C2 adjective /əˈkɜːrsɪd/

accursed

maldito
Meaning
Doomed, detestable, or under a curse.
Example
The villagers avoided the accursed house on the hill.
Los aldeanos evitaban la casa maldita en la colina.
C2 verb /əˈkriːt/

accrete

acumularse
Meaning
to grow or increase gradually by accumulation or addition
Example
Dust particles accrete over time to form larger celestial bodies.
Las partículas de polvo se acumulan con el tiempo para formar cuerpos celestes más grandes.
C2 adjective, adverb /əˈbʌvˌbɔːrd/

aboveboard

Honesto y abierto
Meaning
Open and honest; without deception or trickery.
Example
The business deal was completely aboveboard.
El acuerdo de negocios fue completamente honesto y abierto.
C2 adjective /ədˈmɒnɪtəri/

admonitory

amonestador
Meaning
giving or conveying a warning or reprimand
Example
She gave him an admonitory glance.
Ella le dio una mirada amonestadora.
C2 noun /ˈɔːriˌoʊl/

aureole

aureola
Meaning
A halo or radiance surrounding the head or body, often in religious art.
Example
The painting showed the saint with an aureole around his head.
La pintura mostró al santo con un aureól alrededor de su cabeza.
C2 adjective /ˌæd.vɛnˈtɪʃ.əs/

adventitious

accidental
Meaning
Happening by chance or accident, not planned.
Example
His success was partly due to adventitious circumstances.
Su éxito se debió en parte a circunstancias accidentales.
C2 adjective /ˌæf.əˈrɪs.tɪk/

aphoristic

estilo aforístico
Meaning
expressed in the style of a short, witty saying
Example
Her writing style is concise and aphoristic.
Su estilo de escritura es conciso y aforístico.
C2 adjective /əˈsiːtɪk/

acetic

ácetico
Meaning
relating to or containing acetic acid; sour or vinegary in taste or smell
Example
The acetic smell of vinegar filled the kitchen.
El olor acético del vinagre llenó la cocina.
C2 noun /ˈɔːrɪkl̩/

auricle

parte externa del oído
Meaning
The external part of the ear; also an upper chamber of the heart in anatomy.
Example
The doctor examined the patient’s auricle for signs of infection.
El doctor examinó la parte externa del oído del paciente en busca de signos de infección.
C2 noun /əˈdɛpt.nəs/

adeptness

destreza y habilidad
Meaning
Skill and dexterity in a task.
Example
His adeptness in negotiations helped close the deal successfully.
Su destreza en las negociaciones ayudó a cerrar el trato con éxito.
C2 verb /əˈlɪtəreɪt/

alliterate

utilizar aliteración
Meaning
to repeat the same consonant sound at the beginning of words in a phrase or sentence
Example
The poet often alliterates words to create rhythm.
El poeta a menudo alitera palabras para crear ritmo.
C2 noun /əbˈdʌktər/

abductor

secuestrador
Meaning
a person who kidnaps or forcibly takes someone away
Example
The police arrested the abductor after a nationwide search.
La policía arrestó al secuestrador después de una larga búsqueda.
C2 adjective /ˈærənt/

arrant

completo, absoluto
Meaning
complete or utter (used negatively, e.g., 'arrant nonsense')
Example
His excuse was arrant nonsense.
Su excusa fue una tontería absoluta.
C2 adjective /ɔːˈrɪfərəs/

auriferous

aurífero
Meaning
Containing or producing gold.
Example
The miners discovered an auriferous vein in the mountains.
Los mineros descubrieron una veta aurífera en las montañas.
C2 noun /əˈplɒm/

aplomb

aplomo
Meaning
Complete and confident self-assurance or poise.
Example
She handled the difficult questions with aplomb.
Ella manejó las preguntas difíciles con aplomo.
C2 noun /ˌædjʊˈleɪʃən/

adulation

adulación excesiva
Meaning
excessive admiration or flattery
Example
The singer enjoyed the adulation of her fans.
La cantante disfrutó de la adulación de sus fans.
C2 noun /əˈvɪdəti/

avidity

avidez
Meaning
extreme eagerness or enthusiasm
Example
He accepted the offer with avidity.
Aceptó la oferta con avidez.
C2 adjective /ˌæntɪˈθɛtɪkəl/

antithetical

antitético
Meaning
Directly opposed or contrasted; mutually incompatible.
Example
His views were antithetical to the values of the organization.
Sus puntos de vista eran antitéticos a los valores de la organización.
C2 verb /ˈæntɪkweɪt/

antiquate

antiquear
Meaning
To make something old-fashioned or obsolete.
Example
The rise of digital cameras antiquated traditional film photography.
El auge de las cámaras digitales dejó obsoleta la fotografía tradicional en película.
C2 noun /ˈæf.ə.rɪ.zəm/

aphorism

aforismo
Meaning
a short, witty saying that expresses a general truth or principle
Example
He began his speech with an aphorism about life and success.
Él comenzó su discurso con un aforismo sobre la vida y el éxito.
C2 adjective /ˈæk.rɪd/

Acrid

ácido y fuerte
Meaning
having a strong, unpleasant, and sharp smell or taste
Example
The acrid smoke from the fire made everyone cough.
El humo acrid del fuego hizo toser a todos.
C2 noun /əkˈsɛʃən/

accession

acceso al trono / aceptación de un tratado
Meaning
the attainment of a position of rank or power, especially a monarch or president; the formal acceptance of an agreement or treaty
Example
The king's accession to the throne was celebrated with great ceremony.
La ascensión del rey al trono fue celebrada con gran ceremonia.
C2 noun /ænˈtɪpəθi/

antipathy

antipatía
Meaning
a deep-seated feeling of dislike or aversion toward something or someone
Example
There was a mutual antipathy between the two rival companies.
Había una antipatía mutua entre las dos empresas rivales.
C2 noun /ˈætəvɪzəm/

atavism

atavismo
Meaning
The recurrence of traits or characteristics from a remote ancestor.
Example
The scientist noted atavism in the child’s physical features.
El científico observó atavismo en las características físicas del niño.
C2 adjective /ˈæprəbəˌtɔːri/

approbatory

aprobatorio
Meaning
expressing approval or praise
Example
The teacher gave an approbatory nod after reading the essay.
El maestro asintió con la cabeza de manera aprobatoria después de leer el ensayo.
C2 noun /əˈsɜːrbəti/

acerbity

acerbidad
Meaning
bitterness or sharpness of tone, manner, or taste
Example
The acerbity of his remarks left everyone silent.
La acerbidad de sus comentarios dejó a todos en silencio.
C2 noun /ˈænɪməs/

animus

animosidad / propósito
Meaning
A strong feeling of hostility; motivation or purpose behind an action.
Example
His speech was driven by animus against the policy.
Su discurso fue impulsado por animosidad contra la política.
C2 noun /əˈbeɪəns/

abeyance

suspensión temporal
Meaning
a state of temporary suspension or inactivity
Example
The project was held in abeyance until funds became available.
El proyecto fue suspendido hasta que los fondos estuvieran disponibles.
C2 noun /ˌætəlˈjeɪ/

atelier

taller (estudio de un artista o diseñador)
Meaning
A workshop or studio, especially for an artist or designer.
Example
The painter invited us to his atelier to view his new collection.
El pintor nos invitó a su taller para ver su nueva colección.
C2 adjective, noun /ˈænθrəpɔɪd/

anthropoid

antropoide
Meaning
Resembling a human being in form; a primate such as apes and monkeys.
Example
The gorilla is considered an anthropoid ape.
El gorila es considerado un antropoide.
C2 noun /ˌæs.əˈfet.ɪ.də/

Asafoetida

asafoétida
Meaning
a pungent spice derived from the resin of a plant, commonly used in Indian cooking
Example
A pinch of asafoetida adds a distinctive flavor to the lentil curry.
Una pizca de asafoétida añade un sabor distintivo al curry de lentejas.
C2 adjective /ˈæməˌtɔːri/

amatory

relacionado con el amor
Meaning
Relating to or expressing sexual love.
Example
The poet’s verses were filled with amatory themes.
Los versos del poeta estaban llenos de temas amorosos.
C2 noun /ˈeɪ.pi.ə.rɪst/

apiarist

apicultor
Meaning
a person who keeps and tends bees for honey production
Example
The apiarist collected fresh honey from the hives.
El apicultor recogió miel fresca de las colmenas.
C2 adjective /əˈfɔːrsed/

Aforesaid

mencionado anteriormente
Meaning
mentioned before; previously stated
Example
The aforesaid conditions must be met before approval.
Las condiciones mencionadas anteriormente deben cumplirse antes de la aprobación.
C2 noun /ˈæl.kə.laɪ ækt/

Alkali Act

Ley de Alcalinidad
Meaning
A British law passed in 1863 to regulate the emission of hydrochloric acid gas from alkali works, representing one of the first pieces of environmental legislation.
Example
The Alkali Act of 1863 was one of the first environmental laws.
La Ley de Alcalinidad de 1863 fue una de las primeras leyes ambientales.
C2 adverb /əˈbæk/

Aback

sorprendido
Meaning
by surprise; unexpectedly
Example
I was taken aback by his sudden announcement.
Me sorprendió su anuncio repentino.
C2 noun /ˌɑːrbəˈriːtəm/

arboretum

arborétum
Meaning
a place where trees, shrubs, and plants are grown for scientific study or public display
Example
We visited the city’s arboretum to learn about exotic trees.
Visitamos el arborétum de la ciudad para aprender sobre árboles exóticos.
C2 noun /ˈiːdʒɪs/

aegis

protección
Meaning
The protection, backing, or support of a particular person or organization.
Example
The project was carried out under the aegis of the United Nations.
El proyecto se llevó a cabo bajo el auspicio de las Naciones Unidas.
C2 adjective /əˈluːviəl/

alluvial

aluvial
Meaning
Relating to or derived from alluvium (loose soil or sediment deposited by rivers).
Example
The farmers cultivate crops on the fertile alluvial plains.
Los agricultores cultivan cultivos en las fértiles llanuras aluviales.
C2 adjective əˈdrɔɪt

adroit

habilidoso, astuto, hábil
Meaning
clever or skillful in using the hands or mind.
Example
She is adroit at solving complex problems.
Ella es hábil para resolver problemas complejos.
C2 adjective /əˈɡɒɡ/

agog

emocionado
Meaning
Highly excited by eagerness, curiosity, or anticipation.
Example
The children were agog with excitement as they waited for the magician to appear.
Los niños estaban muy emocionados mientras esperaban que apareciera el mago.
C2 noun /əˈbaɪdəns/

abidance

cumplimiento
Meaning
the act of following, accepting, or complying with something
Example
Her abidance by the rules impressed the committee.
Su cumplimiento de las reglas impresionó al comité.
C2 noun /ˈæn.dʒi.əʊ.plæs.ti/

angioplasty

procedimiento médico para abrir vasos sanguíneos bloqueados o estrechados que suministran sangre al corazón
Meaning
A medical procedure to open blocked or narrowed blood vessels that supply blood to the heart.
Example
Angioplasty is now safer with robotic assistance.
La angioplastia ahora es más segura con asistencia robótica.
C2 adjective /ˌæl.ɪˈmen.tər.i/

alimentary

relacionado con la digestión
Meaning
relating to nourishment or the organs of digestion
Example
The doctor explained the role of the alimentary canal in digestion.
El doctor explicó el papel del canal alimentario en la digestión.
C2 adverb /əˈsʌndər/

asunder

en pedazos
Meaning
into separate parts; apart
Example
The ancient empire was torn asunder by war.
El antiguo imperio fue destrozado por la guerra.
C2 noun /ˈæl.mɪ.rə/

Almirah

armario
Meaning
a large cupboard or wardrobe used for storing clothes and other items
Example
I keep all my clothes in the wooden almirah.
Guardo toda mi ropa en el armario de madera.
C2 noun /əˈfeɪ.ʒə/

aphasia

afasia
Meaning
a medical condition that causes loss of ability to speak or understand language
Example
After the stroke, she was diagnosed with aphasia.
Después del derrame cerebral, le diagnosticaron afasia.
C2 verb /əˈvʌls/

avulse

arrancar
Meaning
to tear away or separate forcibly, especially in medical or geological contexts
Example
The surgeon had to avulse the damaged tissue during the operation.
El cirujano tuvo que arrancar el tejido dañado durante la operación.
C2 noun/adjective /ælˈbaɪ.noʊ/

albino

albino (persona/animal sin pigmentación)
Meaning
A person, animal, or plant lacking normal pigmentation, resulting in pale skin, hair, and eyes.
Example
The albino rabbit had white fur and pink eyes.
El conejo albino tenía pelaje blanco y ojos rosados.
C2 noun əˌmæl.ɡəˈmeɪ.ʃən

amalgamation

fusión, integración, amalgama
Meaning
The action, process, or result of combining or uniting.
Example
The amalgamation of AI and big data is transforming industries.
La fusión de IA y grandes datos está transformando las industrias.
C2 noun /əˈpɒfəsɪs/

apophasis

apofasis
Meaning
A rhetorical device where the speaker brings up a subject by denying it or pretending to pass over it.
Example
The politician used apophasis by saying, 'I won’t even mention my opponent’s scandals.'
El político usó la apofasis al decir: 'Ni siquiera mencionaré los escándalos de mi oponente'.
C2 noun /ˌæk.rəˈfoʊ.bi.ə/

acrophobia

miedo a las alturas
Meaning
An extreme or irrational fear of heights.
Example
Her acrophobia prevented her from climbing the tall building.
Su acrofobia le impidió subir al edificio alto.
C2 noun /ˌæriˈviːst/

arriviste

nueva riqueza
Meaning
A person who has recently gained wealth or status but is considered arrogant or socially unsophisticated.
Example
The business world is full of ambitious arrivistes.
El mundo de los negocios está lleno de arrivistas ambiciosos.
C2 adjective /ˌæm.bɪˈdɛk.strəs/

ambidextrous

ambidiestro
Meaning
Able to use both hands equally well, or versatile in abilities.
Example
Being ambidextrous can be beneficial in sports.
Ser ambidiestro puede ser beneficioso en los deportes.
C2 noun /ˈɛərəˌnɔːt/

aeronaut

aeronauta
Meaning
A person who travels in an airship, balloon, or other aircraft.
Example
The aeronaut skillfully guided the hot-air balloon across the valley.
El aeronauta guió hábilmente el globo aerostático a través del valle.
C2 noun /ˈæntɪk/

antic

payasada
Meaning
a playful, funny, or silly act or gesture
Example
The children laughed at the clown’s antics.
Los niños se rieron de las payasadas del payaso.
C2 verb /əˈsɪdɪfaɪ/

acidify

acidificar
Meaning
to make something acidic or more acidic
Example
Farmers worry that pollution will acidify the soil.
Los agricultores temen que la contaminación acidifique el suelo.
C2 noun /æbˈsɪʒən/

abscission

caída de hojas
Meaning
The natural detachment of parts of a plant, typically leaves or fruit.
Example
The autumn season is marked by the abscission of leaves from trees.
La temporada de otoño se caracteriza por la caída de hojas de los árboles.
C2 adjective /ˌæktʃuˈɛəriəl/

actuarial

actuarial
Meaning
Relating to actuaries or their work of analyzing financial risk and uncertainty, especially in insurance and pensions.
Example
The company relied on actuarial reports to set insurance premiums.
La empresa confió en los informes actuariales para fijar las primas de seguros.
C2 noun /əˈpɒstəsi/

apostasy

apostasía
Meaning
The abandonment or renunciation of a religious or political belief.
Example
His public apostasy shocked his followers.
Su apostasía pública sorprendió a sus seguidores.
C2 adjective /eɪˈsɛfələs/

acephalous

acéfalo
Meaning
having no leader or head; headless
Example
The acephalous group soon fell into disorganization.
El grupo acéfalo pronto cayó en desorganización.
C2 noun /əˈkwɪtəns/

acquittance

recibo de pago
Meaning
a written receipt acknowledging payment or discharge of a debt
Example
He demanded an acquittance after paying the loan.
Él exigió un recibo de pago después de pagar el préstamo.
C2 noun /əˈdʌltərənt/

adulterant

adulterante
Meaning
a substance added to something else, often food or drink, to reduce its quality or strength
Example
The laboratory found an adulterant in the milk samples.
El laboratorio encontró un adulterante en las muestras de leche.
C2 noun /əˌɡlɒməˈreɪʃən/

agglomeration

aglomeración
Meaning
A mass or collection of things, sometimes clustered together.
Example
The city is an agglomeration of diverse cultures and communities.
La ciudad es una aglomeración de diversas culturas y comunidades.
C2 verb /ˈæpɪtaɪz/

appetize

estimular el apetito
Meaning
to stimulate the appetite; to make someone eager or interested
Example
The aroma of fresh bread will appetize the guests before dinner.
El aroma del pan fresco estimulará el apetito de los invitados.
C2 noun /əˈbluːʃən/

ablution

ablución
Meaning
the act of washing oneself, often for religious purposes
Example
He performed his morning ablution before the prayer.
Él realizó su ablución matutina antes de la oración.
C2 noun /ˌækwəˈpɒnɪks/

aquaponics

acuaponia
Meaning
A system of aquaculture in which the waste produced by farmed fish or other aquatic animals supplies nutrients for plants grown hydroponically.
Example
Aquaponics efficiently utilizes water by integrating fish and plant farming.
La acuaponia utiliza el agua de manera eficiente integrando la cría de peces y el cultivo de plantas.
C2 noun /ˈɑːrkeɪndʒəl/

archangel

arcángel
Meaning
A high-ranking angel, often considered a chief messenger or leader among angels.
Example
Michael is often depicted as the most powerful archangel.
Miguel suele ser representado como el arcángel más poderoso.
C2 adjective /əˈpɜːrtənənt/

appurtenant

pertinente
Meaning
Belonging to or associated with something, often used in legal/property contexts.
Example
The right of way is appurtenant to the landowner’s property.
El derecho de paso es pertinente a la propiedad del propietario.
C2 noun ˌæɡ.roʊˈfɔːr.ɪ.stri

agroforestry

agroforestería
Meaning
A land use management system in which trees or shrubs are grown around or among crops or pastureland.
Example
Agroforestry improves soil quality and crop yield.
La agroforestería mejora la calidad del suelo y el rendimiento de los cultivos.
C2 adjective /ɔːˈrɪkjʊlər/

auricular

relacionado con el oído
Meaning
Relating to the ear or hearing.
Example
The doctor used an auricular thermometer to check the patient's temperature.
El doctor usó un termómetro auricular para revisar la temperatura del paciente.
C2 noun /ˈæl.ɪ.mənt/

aliment

alimento
Meaning
food or nourishment that sustains life
Example
Fruits and vegetables are important aliments for a healthy body.
Las frutas y verduras son alimentos importantes para un cuerpo saludable.
C2 verb /ˈæmərˌtaɪz/

amortize

amortizar
Meaning
To gradually reduce or pay off a debt with regular payments.
Example
They plan to amortize the mortgage over 20 years.
Ellos planean amortizar la hipoteca en 20 años.
C2 adjective /æbˈstruːs/

abstruse

abstruso
Meaning
Difficult to understand; obscure.
Example
The abstruse nature of the philosophical debate left many confused.
La naturaleza abstrusa del debate filosófico dejó a muchos confundidos.
C2 noun /ˌɛərəˈstætɪks/

aerostatics

aerostática
Meaning
The branch of physics that deals with the equilibrium of air and gases and the forces acting on bodies in them.
Example
Aerostatics is essential for understanding how balloons float.
La aerostática es esencial para entender cómo flotan los globos.
C2 verb /ˈæbrəɡeɪt/

abrogate

abrogar
Meaning
To formally repeal, cancel, or abolish a law, agreement, or custom.
Example
The government decided to abrogate the outdated treaty.
El gobierno decidió abrogar el tratado obsoleto.
C2 adjective /ˈæfəbəl/

affable

afable
Meaning
friendly, easy to talk to, and pleasant in manner
Example
He is such an affable host that everyone feels comfortable at his parties.
Es un anfitrión tan afable que todos se sienten cómodos en sus fiestas.
C2 adjective /ænˈhaɪdrəs/

anhydrous

anhídrido
Meaning
Containing no water.
Example
The chemist used anhydrous ammonia for the experiment.
El químico usó amoníaco anhidro para el experimento.
C2 noun /ˈæpəˌsteɪt/

apostate

apóstata
Meaning
A person who renounces a religious or political belief or principle.
Example
He was labeled an apostate after abandoning the faith of his community.
Fue etiquetado como apóstata después de abandonar la fe de su comunidad.