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C2 adjective /ˈæʒər/

azure

azur
Meaning
A bright blue color like that of a clear sky.
Example
The clear sky was painted in a deep shade of azure.
El cielo claro fue pintado con un profundo tono de azul.
C1 noun /ˈænti ˈeəkræft ɡʌn/

Anti-aircraft-gun

cañón antiaéreo
Meaning
a weapon designed to attack aircraft from the ground
Example
The anti-aircraft gun was positioned to defend the military base.
El cañón antiaéreo estaba posicionado para defender la base militar.
C2 verb /əˈvaʊ/

avow

declarar abiertamente
Meaning
to openly declare or admit something, often publicly and firmly
Example
He avowed his loyalty to the cause without hesitation.
Él declaró abiertamente su lealtad a la causa sin dudar.
C2 noun /əˈreɪ.bi.ən ˈdʒæz.mɪn/

Arabian Jasmine

jazmín árabe
Meaning
A fragrant white flower native to South and Southeast Asia, commonly used in perfumes and religious ceremonies
Example
The Arabian jasmine filled the garden with its sweet fragrance.
El jazmín árabe llenó el jardín con su dulce fragancia.
C2 adjective /ˌænθrəpəˈmɔːrfəs/

anthropomorphous

antropomórfico
Meaning
having the form or attributes of a human
Example
The statue had an anthropomorphous shape resembling a human.
La estatua tenía una forma antropomórfica que se parecía a un ser humano.
B2 adjective ænˈtɪsɪpeɪtɪd

anticipated

anticipado
Meaning
Expected or predicted to happen; foreseen in advance.
Example
The anticipated growth exceeded the city's capacity.
El crecimiento anticipado superó la capacidad de la ciudad.
C1 noun /ænˈθɒlədʒi/

anthology

antología
Meaning
A collection of literary works, such as poems, short stories, or essays, compiled into one volume.
Example
She contributed a poem to the new poetry anthology.
Ella contribuyó con un poema a la nueva antología de poesía.
A2 noun /əˈbɪləti/

Ability

habilidad; capacidad
Meaning
the power or skill to do something; capacity
Example
She has the ability to solve complex problems.
Ella tiene la habilidad de resolver problemas complejos.
C2 adjective /ˈædɪˌpoʊs/

adipose

adiposo
Meaning
Relating to or consisting of animal fat; fatty.
Example
The doctor explained that the tissue was mainly adipose in nature.
El doctor explicó que el tejido era principalmente adiposo en la naturaleza.
B2 noun /ˌɔː.θɛnˈtɪs.ə.ti/

authenticity

autenticidad
Meaning
The quality of being authentic; genuineness or truthfulness.
Example
The authenticity of the document was verified.
La autenticidad del documento fue verificada.
C1 noun /əˈlɜːrtnəs/

alertness

estado de alerta
Meaning
the state of being mentally aware and quick to notice or respond; vigilance
Example
The driver maintained a high level of alertness during the long journey.
El conductor mantuvo un alto nivel de estado de alerta durante el viaje.
C1 verb /əˈbɔːrt/

abort

abortar; cancelar
Meaning
to stop a process or action before it is completed; to end a pregnancy deliberately
Example
The pilot decided to abort the mission due to bad weather.
El piloto decidió abortar la misión por el mal tiempo.
A2 noun /əˈsɪstənt/

assistant

asistente
Meaning
a person who helps or supports another, often in a job
Example
She works as an assistant in a law firm.
Ella trabaja como asistente en una firma de abogados.
C1 noun /ˈæb.stɪ.nəns/

abstinence

abstinencia, restricción
Meaning
the practice of restraining oneself from indulging in something, typically alcohol or sex
Example
His doctor advised abstinence from alcohol for better health.
Su médico le aconsejó abstinencia de alcohol para una mejor salud.
B2 noun /əˈkɔːrdəns/

accordance

conformidad
Meaning
agreement or harmony with something; compliance with rules, laws, or wishes
Example
The policy was implemented in accordance with international law.
La política se implementó de conformidad con el derecho internacional.
C1 verb /əˈdɔːrn/

adorn

adornar
Meaning
to decorate or add beauty to something
Example
The hall was adorned with flowers for the wedding.
El salón fue adornado con flores para la boda.
C1 noun /ˌɑːrbɪˈtreɪʃən/

arbitration

arbitraje
Meaning
the process of resolving a dispute through an impartial third party whose decision is binding; formal judgment outside a court
Example
The contract requires arbitration to settle any disputes.
El contrato exige arbitraje para resolver cualquier disputa.
C1 verb /əˈsæsɪneɪt/

assassinate

asesinar
Meaning
To murder someone important, often a political or religious leader, usually by surprise attack.
Example
The rebels planned to assassinate the king.
Los rebeldes planearon asesinar al rey.
C1 noun /əˈsɛndənsi/

ascendancy

ascendencia, dominio
Meaning
A position of power, influence, or control over others.
Example
The company gained ascendancy in the market through innovation.
La empresa logró ascendencia en el mercado a través de la innovación.
B2 noun /æmˈfɪbiən/

amphibian

anfibio
Meaning
A cold-blooded vertebrate animal that can live both on land and in water.
Example
A frog is a common amphibian that lives both in water and on land.
Una rana es un anfibio común que vive tanto en el agua como en la tierra.
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.
B1 noun/verb /əˈwɔːrd/

award

premio
Meaning
a prize or recognition given for an achievement; to give a prize or recognition
Example
She received an award for her outstanding performance.
Ella recibió un premio por su rendimiento sobresaliente.
C2 verb /əˈbɑː.mə.neɪt/

abominate

abominar
Meaning
to feel hatred or loathing for something
Example
She abominates cruelty to animals.
Ella abomina la crueldad hacia los animales.
C1 adjective /ˈɔːrəl/

aural

aural
Meaning
Relating to the ear or the sense of hearing.
Example
The lecture was an aural experience as well as an intellectual one.
La conferencia fue una experiencia aural, además de intelectual.
C1 noun /æbˈdʌk.ʃən/

abduction

secuestro
Meaning
the act of taking someone away illegally by force; kidnapping
Example
The police are investigating the abduction of the child.
La policía está investigando el secuestro del niño.
B2 adjective /ˈædvɜːrs/

Adverse

adverso; desfavorable; negativo
Meaning
harmful; unfavorable; opposing; negative
Example
The adverse weather conditions forced them to cancel the event.
Las condiciones meteorológicas adversas obligaron a cancelar el evento.
C1 noun ˌeə.rəʊ.daɪˈnæm.ɪks

aerodynamics

aerodinámica
Meaning
The study of the properties of moving air and the interaction between the air and solid bodies moving through it.
Example
The aerodynamics of an aircraft determines its speed and efficiency.
La aerodinámica de una aeronave determina su velocidad y eficiencia.
A1 determiner/pronoun /əˈnʌðər/

another

otro
Meaning
one more person or thing of the same type
Example
Can I have another cup of tea?
¿Puedo tener otro vaso de té?
B2 adverb /ˈɑːɡjuːəbli/

arguably

posiblemente
Meaning
used to say that a statement is open to argument or is considered true by many people
Example
She is arguably the most talented player on the team.
Ella es posiblemente la jugadora más talentosa del equipo.
B2 noun /ˌɔːtəbaɪˈɒɡrəfi/

autobiography

autobiografía
Meaning
An account of a person's life written by that person.
Example
She published an autobiography about her journey to success.
Ella publicó una autobiografía sobre su viaje hacia el éxito.
C1 verb /əˈseɪl/

assail

atacar
Meaning
to attack violently, either physically or with words
Example
The politician was assailed with difficult questions.
El político fue asaltado con preguntas difíciles.
A2 verb /əˈvɔɪd/

avoid

evitar
Meaning
To keep away from or stop oneself from doing something.
Example
He tries to avoid junk food.
Él trata de evitar la comida chatarra.
B2 conjunction /ˌɔːlˈbiː.ɪt/

albeit

aunque
Meaning
Although; even though.
Example
He finally agreed, albeit reluctantly.
Finalmente estuvo de acuerdo, aunque de mala gana.
C2 noun (plural) /əˈspɜːr.ʒənz/

aspersions

aspersión
Meaning
Critical or slanderous remarks; multiple attacks on reputation.
Example
The politician rejected the aspersions cast against him.
El político rechazó las aspersiones lanzadas contra él.
C2 noun /ˈeə.rəm/

Arum

arum
Meaning
a plant with large arrow-shaped leaves and a white spathe, also known as taro
Example
Arum leaves are commonly used in Bengali cuisine for cooking.
Las hojas de Arum se utilizan comúnmente en la cocina india para cocinar.
C2 verb /əˈbreɪd/

abrade

desgastar por fricción
Meaning
to scrape or wear away the surface by friction or erosion
Example
The rough cloth can easily abrade the skin.
La tela rugosa puede fácilmente desgastar la piel.
C2 noun /ˈɔːldərmənʃɪp/

aldermanship

cargo de concejal
Meaning
The office, position, or dignity of an alderman.
Example
He was honored with aldermanship after years of service.
Fue honrado con el cargo de concejal después de años de servicio.
C2 noun /əˈvɪdəti/

avidity

avidez
Meaning
extreme eagerness or enthusiasm
Example
He accepted the offer with avidity.
Aceptó la oferta con avidez.
B2 noun /ˌæn.ɪˈmeɪ.ʃən/

Animation

animación
Meaning
the technique of making inanimate objects appear to move; liveliness and enthusiasm
Example
The animation in this movie is incredibly detailed.
La animación en esta película es increíblemente detallada.
B2 verb /əˈsaɪn/

assign

asignar
Meaning
to give someone a task, duty, or responsibility
Example
The manager will assign tasks to the new employees.
El gerente asignará tareas a los nuevos empleados.
C2 verb /əˈɡlɒməˌreɪt/

agglomerate

aglutinar
Meaning
To collect or form into a mass or group.
Example
The dust particles began to agglomerate into larger clusters.
Las partículas de polvo comenzaron a aglomerarse en grupos más grandes.
C1 adjective /əˈnɒmələs/

anomalous

anómalo
Meaning
deviating from what is standard, normal, or expected
Example
Scientists observed an anomalous result during the experiment.
Los científicos observaron un resultado anómalo durante el experimento.
A2 verb /əˈnɔɪ/

annoy

molestar
Meaning
to irritate or bother someone and make them feel a little angry or uncomfortable
Example
His constant humming started to annoy everyone in the room.
Su constante zumbido empezó a molestar a todos en la sala.
A1 preposition /æt/

at

en
Meaning
used to indicate a specific time, place, or direction
Example
She arrived at the airport on time.
Ella llegó a tiempo al aeropuerto.
C2 noun əˈlæk.rə.t̬i

alacrity

disposición rápida y alegre
Meaning
Brisk and cheerful readiness.
Example
He accepted the challenge with alacrity.
Aceptó el desafío con alacridad.
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.
B2 preposition /əˈmɪd/

amid

en medio de
Meaning
in the middle of or surrounded by something
Example
The team stayed calm amid the chaos.
El equipo permaneció tranquilo en medio del caos.
C2 adjective əˈsɪd.ju.əs

assiduous

aplicado o diligente
Meaning
Showing great care and perseverance; diligent and hardworking.
Example
His assiduous efforts led to a successful career.
Sus esfuerzos diligentes lo llevaron a una carrera exitosa.
B2 verb /əˈbændən/

abandon

abandonar
Meaning
to give up completely; to leave permanently
Example
They had to abandon their house due to flooding.
Tuvieron que abandonar su casa debido a la inundación.
C2 noun /əˈsper.ɪ.ti/

asperity

asperidad
Meaning
Harshness of tone, manner, or surface.
Example
She spoke with asperity when she was interrupted.
Habló con aspereza cuando la interrumpieron.
B2 verb /ˈæmplɪˌfaɪ/

amplify

amplificar
Meaning
to make sounds louder; to make something larger or more significant
Example
The microphone amplifies her voice.
El micrófono amplifica su voz.
C2 noun /ˌæpəˈleɪʃən/

appellation

título / nombre
Meaning
a name or title
Example
The city has earned the appellation 'The Big Apple'.
La ciudad ha ganado el título 'La Gran Manzana'.
B2 verb /əˈstɒnɪʃ/

astonish

asombrar
Meaning
to surprise someone greatly; to fill with sudden wonder or amazement
Example
The magician’s final trick astonished the entire audience.
El truco final del mago asombró a todo el público.
C1 noun /ˌæktʃuˈæləti/

actuality

actualidad
Meaning
The state of existing in reality rather than in appearance or imagination.
Example
The movie was based on historical actuality.
La película estaba basada en la actualidad histórica.
B2 adjective /əbˈsɜːrd/

absurd

absurdo, irracional
Meaning
wildly unreasonable, illogical, or inappropriate
Example
It is absurd to think that the earth is flat.
Es absurdo pensar que la Tierra es plana.
C1 adjective /əˌpɒk.əˈlɪp.tɪk/

apocalyptic

apocalíptico
Meaning
Describing the end of the world, or something catastrophic and disastrous.
Example
The movie depicts an apocalyptic future after a nuclear war.
La película describe un futuro apocalíptico después de una guerra nuclear.
B1 noun /ɛr pəˈluːʃən/

air pollution

contaminación del aire
Meaning
The presence of harmful or poisonous substances in the air, typically caused by industrial processes, vehicle emissions, or other human activities.
Example
Air pollution from factories led to the first environmental movement.
La contaminación del aire de las fábricas dio lugar al primer movimiento ambiental.
C2 adjective /ˌæpəˈplɛktɪk/

apoplectic

apoplético
Meaning
Extremely angry; furious.
Example
He was apoplectic when he heard about the unfair decision.
Estaba apoplético cuando escuchó sobre la decisión injusta.
B2 adjective, noun /ˈɛəriəl/

aerial

aéreo / antena
Meaning
As an adjective: existing or happening in the air. As a noun: an antenna for receiving radio or television signals.
Example
The pilot performed an amazing aerial maneuver.
El piloto realizó una increíble maniobra aérea.
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.
A2 adjective /əˈnɔɪd/

annoyed

molesto
Meaning
feeling slightly angry or irritated
Example
She felt annoyed by the constant noise.
Ella se sintió molesta por el ruido constante.
A2 noun /ˈæθliːt/

athlete

atleta
Meaning
a person who is trained or skilled in physical exercises, sports, or games requiring strength, agility, or stamina
Example
The athlete trained hard for the upcoming Olympic Games.
El atleta entrenó duro para los próximos Juegos Olímpicos.
C1 verb /əˈmæs/

amass

acumular
Meaning
to gather together or accumulate over a period of time
Example
He managed to amass a fortune through wise investments.
Logró acumular una fortuna a través de inversiones sabias.
B2 noun /əˌbriːviˈeɪʃən/

abbreviation

abreviatura
Meaning
a shortened form of a word or phrase
Example
NASA is an abbreviation for National Aeronautics and Space Administration.
NASA es una abreviatura de National Aeronautics and Space Administration.
C1 verb /əˈfɪks/

affix

adjuntar / pegar
Meaning
to attach or stick something firmly to another thing
Example
Please affix the stamp to the envelope.
Por favor, adjunte el sello al sobre.
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.
B1 noun /ˈælkəhɒl/

alcohol

alcohol
Meaning
A colorless volatile liquid that is the intoxicating constituent of wine, beer, spirits, and other drinks.
Example
Too much alcohol can damage your liver.
Demasiado alcohol puede dañar tu hígado.
B1 verb /əˈdɔːr/

adore

adorar
Meaning
to love deeply and respect highly
Example
She adores her little sister.
Ella adora a su pequeña hermana.
C1 noun /ˈæk.jʊ.mən/

acumen

percepción
Meaning
The ability to make good judgments and quick decisions; keenness and depth of perception.
Example
His business acumen helped the company grow rapidly.
Su percepción empresarial ayudó a la empresa a crecer rápidamente.
A2 verb /əˈtækt/

attacked

atacó
Meaning
physically or verbally assaulted someone or something; launched an aggressive action against a target
Example
The soldiers attacked the enemy at dawn.
Los soldados atacaron al enemigo al amanecer.
B1 noun /ˈɛər.kræft/

aircraft

aeronave
Meaning
A vehicle, such as an airplane or helicopter, that can fly in the air.
Example
The military aircraft flew over the city.
La aeronave militar voló sobre la ciudad.
C2 noun /ɑːmz/

alms

limosna
Meaning
Money, food, or goods given to the poor as charity.
Example
The monk distributed alms to the needy villagers.
El monje distribuyó limosnas a los pobres aldeanos.
B2 adjective; verb (past/participle) /əˈʃʊrd/

assured

seguro; confiado
Meaning
confident and certain; guaranteed or made certain
Example
She felt assured that everything would work out.
Ella se sentía segura de que todo saldría bien.
C2 verb /əˈvɜːr/

aver

afirmar
Meaning
to state or assert something confidently and strongly
Example
She averred that she was innocent.
Ella afirmó que era inocente.
C1 verb /əˈkleɪm/

acclaim

elogiar
Meaning
to praise enthusiastically and publicly
Example
The audience acclaimed the actor for his outstanding performance.
La audiencia aclamó al actor por su impresionante actuación.
C1 noun /æɡˈnɒs.tɪk/

agnostic

agnóstico
Meaning
a person who believes that nothing is known or can be known about the existence of God; uncertain in belief
Example
He described himself as an agnostic rather than an atheist.
Se describió a sí mismo como un agnóstico en lugar de un ateo.
B1 noun /ˈeə.rə.pleɪn/

Aeroplane

avión
Meaning
a powered flying vehicle with fixed wings and a weight greater than that of the air it displaces
Example
The aeroplane took off smoothly from the airport runway.
El avión despegó suavemente de la pista del aeropuerto.
C2 noun /əˈmæl.ɡəm/

amalgam

mezcla
Meaning
a mixture or blend of different things
Example
The new policy is an amalgam of several previous laws.
La nueva política es una mezcla de varias leyes anteriores.
B2 verb /əˈsɜːrt/

assert

afirmar
Meaning
to state a fact or belief confidently and forcefully; to insist upon rights or claims
Example
She decided to assert her authority in the meeting.
ella decidió afirmar su autoridad en la reunión.
C1 adjective /ɔːˌθɒr.ɪˈteə.ri.ən/

authoritarian

autoritario
Meaning
Demanding absolute obedience to authority; excessively controlling or strict in governance.
Example
Authoritarian parenting often limits a child's independence.
La crianza autoritaria a menudo limita la independencia de un niño.
A1 verb /ˈænsər/

answer

contestar
Meaning
to respond to a question; to reply; to solve
Example
She will answer the phone when it rings.
Ella contestará el teléfono cuando suene.
C1 noun /ˌævɒ̃ˈɡɑːrd/

avantgarde

vanguardia
Meaning
people or works that are innovative, experimental, and ahead of their time
Example
The avantgarde of the 20th century reshaped modern art.
La vanguardia del siglo XX remodeló el arte moderno.
C2 adjective /əˈluːsɪv/

allusive

alusivo
Meaning
Making indirect references or hints; suggestive without being explicit.
Example
The novel is full of allusive passages that point to classical literature.
La novela está llena de pasajes alusivos que apuntan a la literatura clásica.
B2 noun /ˈæl.oʊ ˈvɪər.ə/

Aloe Vera

aloe vera
Meaning
a succulent plant with thick fleshy leaves and medicinal properties; produces tubular flowers
Example
The aloe vera plant blooms with orange or yellow tubular flowers.
La planta de aloe vera florece con flores tubulares naranjas o amarillas.
B1 verb /əˈdʒʌst/

adjust

ajustar
Meaning
to change something slightly to make it more suitable or effective
Example
She adjusted the mirror to see the road clearly.
Ella ajustó el espejo para ver la carretera claramente.
B2 verb /əˈpɔɪnt/

appoint

nombrar
Meaning
to choose someone for a job or position
Example
The board will appoint a new director.
El consejo nombrará a un nuevo director.
B1 noun əˈreɪndʒmənt

arrangement

disposición
Meaning
The way things are organized, positioned, or structured.
Example
The arrangement of protons in the nucleus is critical.
La disposición de los protones en el núcleo es crítica.
C2 noun /ˌæk.wiˈes.əns/

acquiescence

acuerdo tácito
Meaning
The reluctant acceptance of something without protest.
Example
His silent acquiescence to unfair rules was surprising.
Su silencioso acuerdo tácito con las reglas injustas fue sorprendente.
C1 noun /əˈseɪlənt/

assailant

agresor
Meaning
a person who attacks another
Example
The police arrested the assailant at the scene.
La policía arrestó al agresor en el lugar del crimen.
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.
B1 noun /ˈær.əb/

arab

árabe
Meaning
a person belonging to the Semitic people of the Middle East and North Africa
Example
He is an Arab living in Dubai.
Él es un árabe que vive en Dubái.
B1 verb /əˈkjuːz/

accuse

acusar
Meaning
to charge someone with a crime or wrongdoing
Example
She accused him of stealing her wallet.
Ella lo acusó de robar su billetera.
C2 adjective /ˌæk.si.əˈmæt.ɪk/

axiomatic

autoevidente, obviamente cierto sin necesidad de prueba
Meaning
Self-evident, obviously true without need for proof
Example
It is axiomatic that hard work leads to success.
Es autoevidente que el trabajo duro conduce al éxito.
B1 verb əˈdrɛst

addressed

dirigido
Meaning
To think about and begin to deal with an issue or problem.
Example
Addressing key problems is vital for long-term change.
Abordar los problemas clave es vital para el cambio a largo plazo.
B2 verb /əˈsend/

ascend

ascender
Meaning
to go up or climb to a higher position; to rise
Example
The climbers will ascend the mountain at dawn.
Los escaladores ascenderán la montaña al amanecer.
B1 noun, adjective, gerund /ˈæk.tɪŋ/

acting

actuación
Meaning
the art or profession of performing in plays, films, or television; temporary performance of duties; the process of performing an action
Example
She is studying acting to become a professional actress.
Ella estudia actuación para ser actriz profesional.
C2 noun /ˈændaɪərn/

andiron

soporte de metal para madera
Meaning
a metal support used in a fireplace to hold logs
Example
The logs rested on the andirons in the old fireplace.
Los troncos descansaban sobre los ándiros en la vieja chimenea.
B2 noun /əˈkaʊntɪŋ/

accounting

contabilidad
Meaning
the process of recording, summarizing, and reporting financial transactions
Example
She works in the accounting department of a large firm.
Ella trabaja en el departamento de contabilidad de una gran empresa.
C2 noun /ˈɑːm.lət/

Armlet

brazalete
Meaning
a band worn around the upper arm as an ornament
Example
The traditional dancer wore golden armlets that gleamed in the spotlight.
La bailarina tradicional llevaba brazaletes dorados que brillaban bajo el reflector.
A2 noun /ˈæk.sɪ.dənt/

accident

accidente
Meaning
An unfortunate incident that happens unexpectedly and unintentionally.
Example
Safety measures aim to prevent accidents.
Las medidas de seguridad tienen como objetivo prevenir accidentes.
B2 noun /əˈdɪkʃən/

addiction

adicción
Meaning
A strong and harmful need to regularly have or do something, such as drugs, alcohol, or habits.
Example
His addiction to video games affected his studies.
Su adicción a los videojuegos afectó sus estudios.
C1 verb /ænˈtæɡənaɪz/

antagonize

antagonizar
Meaning
to cause someone to become hostile or angry; to provoke opposition
Example
His rude remarks only served to antagonize his colleagues.
Sus comentarios groseros solo sirvieron para antagonizar a sus colegas.
C1 noun əˌsɪm.ɪˈleɪ.ʃən

Assimilation

asimilación
Meaning
Connecting new information with existing knowledge
Example
Proper assimilation of knowledge leads to effective learning.
La correcta asimilación del conocimiento conduce a un aprendizaje efectivo.
B2 noun /əˈriːnə/

arena

campo, escenario
Meaning
a large area surrounded by seats for sports, entertainment, or other events
Example
The basketball game will be held in the new arena downtown.
El partido de baloncesto se celebrará en la nueva arena en el centro de la ciudad.
C1 adjective eɪˈsɪŋ.krə.nəs

asynchronous

asíncrono
Meaning
Of or requiring a form of computer control timing protocol in which a specific operation begins upon receipt of an indication that the preceding operation has been completed.
Example
Asynchronous courses allow students to learn at their own pace.
Los cursos asincrónicos permiten a los estudiantes aprender a su propio ritmo.
C1 noun ˌæprɪˈhɛnʃən

apprehension

preocupación
Meaning
Anxiety or fear that something bad or unpleasant will happen.
Example
There is an apprehension about the depletion of fish stocks.
Hay preocupación por la disminución de las existencias de pescado.
B2 adverb /ˈæk.jə.rət.li/

Accurately

de manera precisa, sin errores, correctamente
Meaning
in an exact way, without any mistakes; precisely; correctly
Example
She accurately predicted the outcome of the election.
Ella predijo con precisión el resultado de la elección.
C2 adjective /ˈeɪ.li.ə.nə.bəl/

alienable

transferible
Meaning
Able to be transferred or surrendered, usually referring to rights or property.
Example
Property rights are alienable and can be sold or transferred.
Los derechos de propiedad son transferibles y pueden ser vendidos o transferidos.
B2 noun /əkˈnɒlɪdʒmənt/

acknowledgement

reconocimiento
Meaning
the act of recognizing or accepting something as true or valid; an expression of gratitude or recognition
Example
She received an acknowledgement for her contribution to the project.
Recibió un reconocimiento por su contribución al proyecto.
A2 adjective /ˈæfrɪkən/

african

africano
Meaning
relating to Africa or its people
Example
She studied African culture in university.
Ella estudió la cultura africana en la universidad.
B2 adjective /əˈfekʃənət/

Affectionate

afectuoso; cariñoso; tierno; que muestra afecto
Meaning
loving; caring; tender; showing affection
Example
She is very affectionate towards her children.
Ella es muy cariñosa con sus hijos.
A1 determiner, pronoun, adverb /ɔːl/

all

todo
Meaning
the whole quantity or extent of something; every one of something
Example
She spent all her money on books.
Ella gastó todo su dinero en libros.
C2 adjective /eɪˈsɛptɪk/

aseptic

libre de gérmenes
Meaning
Free from contamination caused by harmful microorganisms; sterile.
Example
Surgeons must work in an aseptic environment to prevent infection.
Los cirujanos deben trabajar en un ambiente aséptico para prevenir infecciones.
C1 noun /ɑːˌtɪkjʊˈleɪʃən/

articulation

expresión
Meaning
The action of putting into words an idea or feeling of a specified type.
Example
His articulation during the debate impressed everyone.
Su articulación durante el debate impresionó a todos.
B1 adjective əkˈsep.tɪd

accepted

aceptado
Meaning
Generally believed or recognized to be valid or correct.
Example
The accepted terms were discussed in detail.
Los términos aceptados fueron discutidos en detalle.
B2 noun ˌæn.tiˈɒk.sɪ.dənts

antioxidants

antioxidantes
Meaning
A substance that may prevent or delay some types of cell damage.
Example
Fruits and vegetables are rich in antioxidants.
Las frutas y verduras son ricas en antioxidantes.
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.
C1 noun ˈælərdʒən

allergen

sustancia que causa una reacción alérgica
Meaning
A substance that causes an allergic reaction.
Example
Pollen is a common allergen that affects many people.
El polen es un alérgeno común que afecta a muchas personas.
C1 noun /ˈækəleɪd/

accolade

accolade
Meaning
An award, honor, or expression of praise.
Example
She received an accolade for her outstanding performance.
Ella recibió un reconocimiento por su destacado desempeño.
B2 adjective + noun əˈdæptɪv ˈfiːtʃərz

adaptive features

características adaptativas
Meaning
Characteristics that help organisms adjust to their environment
Example
Plants' adaptive features help them grow in winter.
Las características adaptativas de las plantas les ayudan a crecer en invierno.
A2 adverb /əˈhɛd/

ahead

adelante
Meaning
in front; in advance; before someone or something in position or progress
Example
She walked ahead of the group.
Ella caminó adelante del grupo.