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B1 noun rɔː mətɪˈrɪəlz

raw materials

materias primas
Meaning
The basic material from which a product is made.
Example
The factory imports raw materials for production.
La fábrica importa materias primas para la producción.
B1 noun /ˌrɛp.jʊˈteɪ.ʃən/

reputation

reputación, fama
Meaning
The opinion generally held about someone or something; fame or prestige.
Example
A good reputation is essential for business success.
Una buena reputación es esencial para el éxito empresarial.
B2 noun /rɪˈdʒɛkʃən/

rejection

rechazo
Meaning
the action of refusing or dismissing something or someone
Example
Her rejection of the offer surprised everyone.
Su rechazo a la oferta sorprendió a todos.
C1 adjective /rɪˈsɛsɪv/

recessive

recesivo
Meaning
In genetics, relating to a trait that is expressed only when two copies of the gene are present.
Example
Blue eye color is often a recessive trait.
El color de ojos azules es a menudo un rasgo recesivo.
C1 noun /rəʊˈbɒt.ɪk ˈsɜː.dʒər.i/

robotic surgery

cirugía robótica
Meaning
Surgery performed with the assistance of robotic systems to enhance precision and reduce invasiveness.
Example
Robotic surgery enhances precision in complex procedures.
La cirugía robótica mejora la precisión en procedimientos complejos.
C1 adjective /ˈrɛtroʊˌɡreɪd/

retrograde

retrógrado
Meaning
moving backward or returning to a worse condition
Example
The policy was seen as a retrograde step for human rights.
Se consideró que la política era un paso retrógrado para los derechos humanos.
C2 verb /ˈrɔɪstər/

roister

celebrar ruidosamente
Meaning
to revel noisily; to engage in loud, boisterous celebration
Example
The fans roistered in the streets after the victory.
Los fanáticos celebraron ruidosamente en las calles después de la victoria.
B2 noun /raɪˈnɒs.ər.əs/

Rhinoceros

rinoceronte
Meaning
a large, heavy animal with thick skin and one or two horns on its nose
Example
The rhinoceros charged through the grassland.
El rinoceronte cargó a través de la pradera.
C1 noun /rɪˈmɪt.əns/

Remittance

remesa
Meaning
A sum of money sent in payment or as a gift.
Example
The country's economy benefits from expatriate remittance.
La economía del país se beneficia de las remesas de los expatriados.
C1 noun/verb /rɪˈlæps/

relapse

recaída
Meaning
to return to a worse condition, especially after improvement; a deterioration after recovery
Example
After months of progress, he suffered a relapse.
Después de meses de progreso, sufrió una recaída.
B1 noun /ˈreɪn.dɪər/

Reindeer

reno
Meaning
a large deer with branched horns that lives in cold northern areas
Example
Santa's reindeer pulled his sleigh across the sky.
El reno de Santa tiró su trineo a través del cielo.
C1 noun /rɪˈpraɪ.zəl/

Reprisal

venganza
Meaning
an act of retaliation; revenge taken for an injury or wrong
Example
The attack was carried out as a reprisal for the earlier bombing.
El ataque se realizó como una represalia por el bombardeo anterior.
B2 verb /reɪn/

reign

reinar
Meaning
to rule as a king or queen; to be dominant
Example
The queen reigned for over sixty years.
La reina reinó durante más de sesenta años.
C1 noun rɪˈdɛmpʃən

redemption

redención
Meaning
The action of saving or being saved from sin, error, or evil.
Example
The story highlights the theme of redemption.
La historia destaca el tema de la redención.
B1 noun /ˈreɪn.boʊ/

Rainbow

arco iris
Meaning
an arch of colors formed in the sky by sunlight shining through rain
Example
After the storm, a beautiful rainbow appeared in the sky.
Después de la tormenta, apareció un hermoso arco iris en el cielo.
B2 adjective /ˈrændəm/

Random

aleatorio
Meaning
without pattern or predetermined order; happening by chance
Example
She selected a random book from the library shelf.
Ella seleccionó un libro aleatorio de la estantería de la biblioteca.
C1 verb /rɪˈbʌf/

rebuff

rechazar
Meaning
to reject or refuse in a sharp or abrupt way
Example
She rebuffed his invitation to dinner.
Ella rechazó su invitación a cenar.
B2 adjective /rɪˈzɜːrvd/

Reserved

reservado; introvertido
Meaning
slow to reveal emotion or opinions; restrained in manner
Example
She is quite reserved and doesn't talk much in meetings.
Ella es bastante reservada y no habla mucho en las reuniones.
A2 noun, verb /raʊ/ (argument), /roʊ/ (line of things)

row

fila / discusión
Meaning
A line of things or people; also, a noisy quarrel; to propel a boat with oars.
Example
They had a loud row about money.
Tuvieron una fuerte discusión sobre el dinero.
C2 noun /ˈrɛv.ər.i/

reverie

soñar despierto; ensoñación
Meaning
A state of being pleasantly lost in one's thoughts; a daydream.
Example
Lost in reverie, he didn't hear his name being called.
Perdido en la ensoñación, no oyó que llamaban su nombre.
C2 adjective /ˈruːmi/

rheumy

lagrimoso
Meaning
Watery, especially referring to the eyes.
Example
His rheumy eyes showed signs of age and fatigue.
Sus ojos lagrimosos mostraban signos de edad y fatiga.
C1 noun /rɪˈmɛmbrəns/

remembrance

recuerdo
Meaning
the act of remembering or honoring someone or something
Example
A service was held in remembrance of the fallen soldiers.
Se celebró un servicio en recuerdo de los soldados caídos.
C1 adjective /ˈrɛtɪsənt/

reticent

reservado
Meaning
not revealing one's thoughts or feelings readily; reserved
Example
She was reticent about her personal life.
Ella estaba reservada sobre su vida personal.
C1 noun /ˈrɪpəl/

Ripple

onda
Meaning
a small wave on the surface of water; a spreading effect or influence
Example
The stone created ripples across the calm pond.
La piedra creó ondas en el tranquilo estanque.
B2 verb /ˌriːkriˈeɪt/

recreate

recrear
Meaning
to create or produce something again, especially a new version of something lost or destroyed
Example
The team recreated the lost dataset from backups.
El equipo recreó el conjunto de datos perdido desde las copias de seguridad.
B2 noun /ˈreɪ.zɪnz/

Raisins

pasas
Meaning
dried grapes, often used in cooking and baking
Example
She added raisins to the oatmeal cookies for extra sweetness.
Ella añadió pasas a las galletas de avena para mayor dulzura.
C1 verb /rɪˈprɛs/

repress

reprimir
Meaning
To restrain, suppress, or keep under control, especially emotions or desires.
Example
He tried to repress his anger during the meeting.
Él intentó reprimir su ira durante la reunión.
A2 verb /ˌrɛkəˈmɛnd/

recommend

recomendar
Meaning
to suggest or advise something as being good or suitable
Example
I recommend trying the new restaurant downtown.
Recomiendo probar el nuevo restaurante en el centro.
B2 noun /rɪˈfɔːr.mər/

Reformer

reformista
Meaning
a person who works to bring about positive changes in society or institutions
Example
The social reformer dedicated her life to improving education for all children.
La reformista social dedicó su vida a mejorar la educación para todos los niños.
B2 noun /ˈruːstər/

rooster

gallo
Meaning
A male domestic chicken, especially one that crows.
Example
The rooster crowed at dawn, waking up the whole village.
El gallo cantó al amanecer, despertando a toda la aldea.
B2 noun /ˌriː.əˈʃʊr.əns/

Reassurance

reaseguro
Meaning
comfort or confidence given to someone to remove their fears or doubts
Example
She needed reassurance that everything would be okay.
Ella necesitaba un reaseguro de que todo estaría bien.
C1 noun /ˈrɛvərəns/

reverence

reverencia
Meaning
deep respect for someone or something
Example
The students showed reverence to their teacher.
Los estudiantes mostraron reverencia hacia su maestro.
B2 noun /rɪˈmuː.vəl/

Removal

remoción; eliminación; despido;
Meaning
the action of taking something away or eliminating it; dismissal from office
Example
The removal of the old furniture took all day.
La remoción de los muebles viejos tomó todo el día.
B2 noun /rɪˈzembləns/

Resemblance

semejanza
Meaning
the state of being alike or similar; similarity in appearance or character
Example
There's a strong resemblance between the two sisters.
Hay una fuerte semejanza entre las dos hermanas.
B1 noun ruːlz ənd ˌrɛɡjʊˈleɪʃənz

rules and regulations

reglas y regulaciones
Meaning
Official orders and laws that control how something is done.
Example
Rules and regulations alone cannot change attitudes.
Las reglas y regulaciones por sí solas no pueden cambiar actitudes.
C1 adjective rɪˈlɛntləs

relentless

implacable
Meaning
Oppressively constant; incessant; showing no abatement of severity, intensity, strength, or pace.
Example
The freedom fighters' relentless struggle led to victory.
La lucha implacable de los luchadores por la libertad condujo a la victoria.
B1 verb /riˈækt/

react

reaccionar
Meaning
to respond or behave in a particular way to something
Example
She reacted angrily when she heard the news.
Ella reaccionó con enojo cuando escuchó las noticias.
B2 noun ˌriːkənˈstrʌkʃn

reconstruction

reconstrucción
Meaning
The action or process of reconstructing or being reconstructed.
Example
The reconstruction project took years.
El proyecto de reconstrucción tomó años.
B2 noun, verb, adjective /ræŋk/

rank

rango
Meaning
A position in a hierarchy; to place in order according to importance or quality.
Example
She quickly rose to a senior rank in the company.
Ella rápidamente ascendió a un rango superior en la empresa.
C2 noun /ˈreɪdɪks/

radix

base
Meaning
the base or root of something; the number on which a system of numeration is built
Example
In mathematics, the decimal system has a radix of ten.
En matemáticas, el sistema decimal tiene una base de diez.
B2 adjective /ˈrɒt.ən/

Rotten

podrido; malo
Meaning
decayed; spoiled; bad
Example
The apple is rotten and should be thrown away.
La manzana está podrida y debe ser tirada.
C1 adjective /ˈruːfəl/

rueful

lamentoso
Meaning
Expressing sorrow, regret, or pity.
Example
He gave a rueful smile after losing the match.
Él dio una sonrisa lamentosa después de perder el partido.
C2 adjective /ˈroʊziət/

roseate

rosado, optimista
Meaning
Having a pink color; optimistic or idealistic.
Example
She looked at the future with roseate optimism.
Ella miró al futuro con un optimismo rosado.
B2 noun /ˈrɛnəˌsɑːns/

renaissance

renacimiento
Meaning
a revival of art, culture, or learning; a period of renewed interest and growth
Example
The city experienced a cultural renaissance during the 1990s.
La ciudad experimentó un renacimiento cultural durante los años 90.
C2 noun /ruːˈeɪ/

roue

un hombre dedicado a una vida de placer sensual
Meaning
A man devoted to a life of sensual pleasure; a debauched man.
Example
The old roue squandered his fortune on gambling and women.
El viejo roue malgastó su fortuna en juegos de azar y mujeres.
C2 noun /ˈrɛdʒɪsaɪd/

regicide

regicidio
Meaning
the act of killing a king
Example
The conspirators were executed for committing regicide.
Los conspiradores fueron ejecutados por cometer regicidio.
B1 noun /roʊp/

rope

cuerda
Meaning
a strong, thick cord made of twisted fibers or strands
Example
The climbers used a rope to scale the mountain.
Los escaladores usaron una cuerda para escalar la montaña.
C1 verb /ˈræn.də.maɪz/

randomize

aleatorizar
Meaning
To make something happen in a random order or manner.
Example
The software can randomize the order of questions.
El software puede aleatorizar el orden de las preguntas.
C2 verb /rɪˈtrɛntʃ/

retrench

reducir gastos, despedir empleados
Meaning
to reduce costs, spending, or staff to save resources
Example
The company had to retrench employees due to financial difficulties.
La compañía tuvo que despedir empleados debido a dificultades financieras.
C1 noun /rɪˈpɔːrtɪʒ/

reportage

reportaje
Meaning
the act of reporting news or describing events in the media
Example
The magazine is known for its detailed reportage of political issues.
La revista es conocida por su detallado reportaje de temas políticos.
C1 noun /ˈrɛtɪsəns/

reticence

reticencia
Meaning
the quality of being reserved or unwilling to speak freely
Example
His reticence made it difficult to know what he was thinking.
Su reticencia hizo que fuera difícil saber lo que estaba pensando.
A2 noun /roʊz/

Rose

rosa
Meaning
a fragrant flower with thorny stems, typically red, pink, white, or yellow
Example
She gave me a beautiful red rose for Valentine's Day.
Ella me dio una hermosa rosa roja para el Día de San Valentín.
C1 verb /ˈrʌsl/

rustle

crujir
Meaning
To make a soft, light sound like leaves or paper moving.
Example
The leaves rustled gently in the evening breeze.
Las hojas crujían suavemente con la brisa de la tarde.
B1 noun /rɪˈsep.ʃən/

Reception

recepción; recepción formal; bienvenida;
Meaning
the action of receiving something or someone; a formal social occasion held to welcome someone
Example
The wedding reception was held at a beautiful hotel.
La recepción de la boda se celebró en un hermoso hotel.
B2 noun, verb /rɪər/

rear

parte trasera / criar
Meaning
the back part of something; to bring up or raise children or animals
Example
The mother cat reared her kittens in a quiet corner.
La madre gata crió a sus gatitos en una esquina tranquila.
C1 noun /ˌriː.əˈdʒʌst.mənt/

readjustment

reajuste
Meaning
The act of changing or correcting something again to make it suitable or balanced.
Example
After moving to a new city, he went through a period of readjustment.
Después de mudarse a una nueva ciudad, él pasó por un periodo de reajuste.
C2 noun /rɪˈfræk.tər/

refractor

refractor
Meaning
A type of telescope that uses lenses to focus light.
Example
Refractor telescopes use lenses to focus light.
Los telescopios refractores usan lentes para enfocar la luz.
B2 noun /rɪˈfreʃ.mənt/

Refreshment

refrigerio
Meaning
food and drink that is served as a light meal; something that refreshes
Example
We served light refreshments after the meeting.
Servimos refrigerios ligeros después de la reunión.
C1 verb /raɪl/

rile

irritar
Meaning
to irritate or annoy someone
Example
His careless comments really riled her.
Sus comentarios descuidados realmente la irritaron.
C2 verb /rɪˈfrækt/

refract

refractar
Meaning
To bend light, sound, or heat as it passes through a medium.
Example
The water refracts light, making the straw look bent.
El agua refracta la luz, haciendo que la pajilla se vea doblada.
C1 verb /ˌriːˈsiːt/

reseat

reubicar
Meaning
to seat someone again or to fit something back into its place
Example
The usher had to reseat the guests after the interruption.
El acomodador tuvo que reubicar a los invitados después de la interrupción.
C2 adjective /rɪˈmɪs/

remiss

negligente
Meaning
Negligent in performing a duty or responsibility.
Example
The manager was remiss in not checking the financial reports carefully.
El gerente fue negligente al no revisar cuidadosamente los informes financieros.
C1 verb /ˌriːhəˈbɪlɪteɪt/

rehabilitate

rehabilitar
Meaning
to restore someone to health, normal life, or a good condition after illness, injury, or imprisonment
Example
The clinic helps rehabilitate injured athletes.
La clínica ayuda a rehabilitar a los atletas lesionados.
C2 verb (archaic/rare) /rɛk/

reck

preocuparse
Meaning
To care about or be concerned with (something); to have regard for.
Example
He does not reck the dangers of his actions.
Él no se preocupa por los peligros de sus acciones.
B2 verb /ˈraɪpən/

ripen

felicidad
Meaning
to become or make something ready to eat or fully developed
Example
The bananas ripened quickly in the warm weather.
Ella no pudo ocultar su felicidad cuando recibió el premio.
C1 adjective /ˌruː.dɪˈmen.tər.i/

Rudimentary

básico; elemental; subdesarrollado; en la etapa más temprana del desarrollo
Meaning
basic; elementary; undeveloped; in the earliest stage of development
Example
She has only rudimentary knowledge of French.
Ella solo tiene conocimiento rudimentario del francés.
C1 noun /ˌrætɪfɪˈkeɪʃən/

Ratification

ratificación
Meaning
the action of signing or giving formal consent to a treaty, contract, or agreement
Example
The treaty required ratification by both countries' parliaments.
El tratado requirió ratificación por los parlamentos de ambos países.
C1 verb /rɪˈdʒuː.vɪ.neɪt/

rejuvenate

rejuvenecer
Meaning
To make or feel young, healthy, or energetic again.
Example
A vacation can rejuvenate the mind and body.
unas vacaciones pueden rejuvenecer la mente y el cuerpo.
C2 adjective rɪˈtɛn.tɪv

retentive

retentivo
Meaning
Having strong memory or the ability to retain information for a long time.
Example
Students with a retentive memory excel in academics.
Los estudiantes con una memoria retentiva sobresalen en los estudios.
C1 adjective rɪˈsɛʃ.ən.er.i

recessionary

recesivo
Meaning
Relating to or characterized by economic recession.
Example
Governments introduce policies to counter recessionary effects.
Los gobiernos introducen políticas para contrarrestar los efectos recesivos.
C2 adjective /roʊn/

roan

roano
Meaning
denoting an animal, especially a horse, having a coat of mixed colors, typically reddish-brown and white
Example
The rider mounted a roan horse with a speckled coat.
El jinete montó un caballo roano con un pelaje moteado.
C2 noun /rɪˈpʌɡ.nəns/

repugnance

repulsión
Meaning
intense disgust or strong aversion towards something
Example
She felt deep repugnance at the cruelty of the act.
Ella sintió un profundo desprecio por la crueldad del acto.
C1 noun /rɪˈpɛərə/

repairer

reparador
Meaning
a person whose job is to fix damaged or broken things
Example
The repairer fixed the broken washing machine quickly.
El reparador arregló la lavadora rota rápidamente.
C1 verb /riːˈkæptʃər/

recapture

recapturar
Meaning
To take back or regain possession of something.
Example
The army managed to recapture the lost territory.
El ejército logró recapturar el territorio perdido.
A1 noun, verb /rɛst/

rest

descanso
Meaning
to cease work or movement in order to relax or recover strength
Example
He needs to rest after the long journey.
Él necesita descansar después del largo viaje.
C1 adjective /ˈriːɡəl/

regal

real
Meaning
Resembling or fit for a king; majestic or royal.
Example
The queen entered the hall with a regal presence.
La reina entró al salón con una presencia real.
C1 adverb /rɪˈspek.tə.bli/

Respectably

de manera respetable; decente;
Meaning
in a way that is worthy of respect; decently; properly
Example
She was dressed respectably for the interview.
Ella estaba vestida de manera respetable para la entrevista.
B2 noun /ˈraɪvəl/

Rival

rival; competidor;
Meaning
a person or thing competing with another for the same objective or for superiority in the same field
Example
The two companies have been business rivals for decades.
Las dos empresas han sido rivales comerciales durante décadas.
B2 verb /rɒt/

rot

podrir
Meaning
to decay or decompose; to become corrupt
Example
The fruit will rot if left in the sun.
La fruta se pudrirá si se deja al sol.
C1 adjective /rɪˈsɛptɪv/

receptive

receptivo
Meaning
Willing to listen to or accept new ideas, suggestions, or experiences.
Example
She was receptive to feedback from her colleagues.
Ella estaba receptiva a los comentarios de sus colegas.
B1 noun /roʊˈmæns/

Romance

romance
Meaning
a feeling of excitement and mystery associated with love; a love affair or relationship
Example
Their romance began when they met at the university library.
Su romance empezó cuando se conocieron en la biblioteca de la universidad.
B1 adverb /rɪˈpiː.tɪd.li/

Repeatedly

repetidamente; una y otra vez
Meaning
again and again; many times over
Example
He repeatedly asked for help with his homework.
Él pidió ayuda repetidamente con su tarea.
C1 adjective /rɪˈflek.sɪv/

Reflexive

reflexivo; introspectivo
Meaning
directed back on itself; showing deep thought about oneself
Example
She became more reflexive about her behavior after the feedback.
Ella se volvió más reflexiva sobre su comportamiento después de la retroalimentación.
C2 verb /ˈrʌmpəl/

rumple

arrugar
Meaning
to make something untidy or wrinkled by creasing or crumpling
Example
She accidentally rumpled her dress while packing.
Ella accidentalmente arrugó su vestido mientras empacaba.
B1 adjective rɪˈlaɪ.ə.bəl

reliable

confiable
Meaning
Consistently good in quality or performance; able to be trusted.
Example
Reliable systems ensure efficiency.
Los sistemas confiables garantizan la eficiencia.
B2 noun /ræk/

Rack

estante
Meaning
a framework or structure for holding or storing things
Example
She hung her coat on the rack by the door.
Ella colgó su abrigo en el estante junto a la puerta.
B1 noun /ˌrɛzəˈluːʃən/

resolution

resolución, decisión
Meaning
The action of solving a problem, dispute, or contentious matter.
Example
The resolution of the issue requires careful planning and action.
La resolución del problema requiere una planificación y acción cuidadosa.
B2 adjective /ˈræp.ɪd/

Rapid

rápido; veloz; ágil;
Meaning
happening in a short time or at a fast pace
Example
The rapid growth of technology has changed our daily lives.
El rápido crecimiento de la tecnología ha cambiado nuestra vida diaria.
B2 adverb /rɪˈlʌk.tənt.li/

Reluctantly

de mala gana
Meaning
in an unwilling manner; with hesitation or resistance
Example
She reluctantly agreed to help with the project.
Ella aceptó ayudar con el proyecto de mala gana.
C1 verb /ˈrʌf.l̩/

ruffle

desordenar, molestar
Meaning
to disturb the smoothness of something; to annoy or upset someone
Example
The wind ruffled her hair.
El viento desordenó su cabello.
B2 noun ˈruθləs ˌkɑmpəˈtɪʃən

ruthless competition

competencia despiadada
Meaning
Fierce and merciless rivalry or contest, without pity or compassion.
Example
Ruthless competition for power leads to societal issues.
La competencia despiadada por el poder lleva a problemas sociales.
C1 verb /reɪz/

raze

demoler
Meaning
To completely destroy or demolish something, especially a building.
Example
The old factory was razed to make way for new apartments.
La vieja fábrica fue demolida para dar paso a nuevos apartamentos.
C1 verb /rɪˈtɑːrd/

retard

retrasar / ralentizar
Meaning
to delay or slow down the progress of something
Example
Lack of funds may retard the development of the project.
La falta de fondos puede retrasar el desarrollo del proyecto.
B2 adjective /ˈrɪski/

risky

arriesgado
Meaning
Involving the possibility of danger, harm, or loss
Example
Investing in that startup is risky but could bring high rewards.
Invertir en esa startup es arriesgado, pero podria traer grandes recompensas.
B2 verb /ˈreɪn.dʒɪŋ/

ranging

oscilar
Meaning
Extending or varying between limits.
Example
The temperatures are ranging from 15 to 30 degrees this week.
Las temperaturas están oscilando de 15 a 30 grados esta semana.
B1 noun rɪˈsɜː.tʃəz

researchers

investigadores
Meaning
People who study and investigate to discover new information or facts.
Example
Researchers are working on innovative solutions.
Los investigadores están trabajando en soluciones innovadoras.
B2 verb /rɪˈfreɪn/

refrain

abstenerse
Meaning
To hold oneself back from doing something.
Example
Please refrain from smoking in this area.
Por favor absténgase de fumar en esta área.
C1 noun /rɪˈspɒnsɪvnəs/

responsiveness

sensibilidad
Meaning
The quality of reacting quickly and positively
Example
The manager appreciated her responsiveness to customer feedback.
El gerente apreció su sensibilidad ante los comentarios de los clientes.
C2 noun /rɪˈmɒnstrəns/

remonstrance

protesta
Meaning
A forceful protest or objection.
Example
The workers’ remonstrance against unfair treatment was ignored.
La protesta de los trabajadores contra el trato injusto fue ignorada.
C2 noun, adjective, verb /ˈrɛprəˌbeɪt/

reprobate

persona inmoral
Meaning
A person of immoral character; to express disapproval of; morally corrupt.
Example
The old reprobate spent his days gambling and drinking.
El viejo reprobado pasó sus días apostando y bebiendo.
A2 noun /ˈriːdər/

reader

lector
Meaning
a person who reads or who is capable of reading
Example
She is a fast reader, finishing books in a day.
Ella es una lectora rápida, termina libros en un día.
C1 adjective /ˈræspi/

raspy

áspero
Meaning
having a harsh, rough, or grating sound
Example
His raspy voice revealed years of smoking.
Su voz áspera reveló años de fumar.
A1 noun /ˈrɛst(ə)rɒnt/

restaurant

restaurante
Meaning
a place where meals are prepared and served to customers
Example
We went to the restaurant for dinner.
Fuimos al restaurante para la cena.
B2 verb /rɪˈvɜːrt/

revert

volver
Meaning
to return to a previous state, condition, or practice
Example
The system will revert to its original settings after the update.
El sistema volverá a su configuración original después de la actualización.
C1 verb /rɪˈtrækt/

retract

retirar
Meaning
to withdraw a statement, promise, or part of the body; to pull back
Example
The company retracted its earlier statement after realizing the error.
La empresa retractó su declaración anterior después de darse cuenta del error.
B2 noun /ˈrest.ləs.nəs/

Restlessness

inquietud
Meaning
the inability to rest or relax as a result of anxiety or boredom
Example
His restlessness during the long meeting was obvious to everyone.
Su inquietud durante la larga reunión fue obvia para todos.
C1 adjective /rɪˈsɔːrs ɪˈfɪʃ.ənt/

resource-efficient

eficiente en el uso de recursos
Meaning
Using resources in a way that minimizes waste and maximizes productivity.
Example
Resource-efficient farming conserves water and energy.
La agricultura eficiente en el uso de recursos conserva agua y energía.
B2 adjective /rɪˈfaɪnd/

Refined

refinado; purificado
Meaning
elegant and cultured in appearance, manner, or taste; purified
Example
She has very refined taste in art and music.
Ella tiene un gusto muy refinado en arte y música.
C1 noun /ˈrɛ.trəʊ.fɪt.ɪŋ/

retrofitting

la adición de nueva tecnología a sistemas antiguos
Meaning
The addition of new technology or features to older systems.
Example
The building underwent retrofitting to meet new safety standards.
El edificio fue sometido a retrofitting para cumplir con los nuevos estándares de seguridad.
A2 adjective /rɪtʃ/

Rich

rico; adinerado; valioso
Meaning
having a lot of money or valuable possessions; abundant in nutrients or flavor
Example
The rich businessman donated money to the charity.
El rico empresario donó dinero a la caridad.
C1 adjective /rɪˈsɜːrdʒənt/

resurgent

resurgente
Meaning
Becoming strong, active, or popular again.
Example
The resurgent economy gave hope to many businesses.
La economía resurgente dio esperanza a muchos negocios.
A2 verb /rɪˈlæks/

relax

relajarse
Meaning
to make or become less tense or anxious; to rest
Example
After a long day, she likes to relax with a good book.
Después de un largo día, le gusta relajarse con un buen libro.
B2 noun /ˈrɛlɪvəns/

relevance

relevancia
Meaning
the quality or state of being closely connected or appropriate
Example
The relevance of the information was clear to everyone.
La relevancia de la información era clara para todos.
C1 noun /rɪˈbʌtəl/

rebuttal

refutación
Meaning
a statement or argument made to oppose or disprove another
Example
Her rebuttal was clear and convincing.
Su refutación fue clara y convincente.
C1 adjective /rɪˈtɜː.nə.bəl/

Returnable

devolvible
Meaning
able to be returned or given back
Example
The bottle is returnable for a deposit refund.
La botella es devolvible para un reembolso del depósito.
B1 verb /rɪˈfɜː/

refer

referir
Meaning
to mention or allude to something; to direct someone to a source of information
Example
Please refer to page 45 for more details.
Por favor, consulte la página 45 para más detalles.
C1 noun /ˈrem.nənt/

Remnant

resto
Meaning
a small remaining quantity of something; a piece of cloth left over after the main piece has been used
Example
Only a remnant of the ancient wall remains.
Solo queda un resto de la antigua muralla.
C2 noun/adjective /rɪˈmɒnstrənt/

remonstrant

protestante
Meaning
A person who makes a forceful protest (noun); protesting or objecting (adjective).
Example
He was a remonstrant voice in the assembly.
Él fue una voz de protesta en la asamblea.
B2 adverb /rɪˈpɔːtɪdli/

reportedly

según se dice
Meaning
according to what is said or believed, although not confirmed
Example
The company has reportedly agreed to the new terms.
La empresa ha acordado reportedly los nuevos términos.
C2 noun /ˈreɪmənt/

raiment

atuendo
Meaning
clothing, especially fine or formal wear
Example
The king wore royal raiment during the ceremony.
El rey usó atuendo real durante la ceremonia.
C2 noun /ruːd/

rood

cruz
Meaning
a crucifix, especially one positioned above the entrance to the chancel of a church
Example
The old church displayed a carved rood above the altar.
La antigua iglesia exhibió una cruz tallada sobre el altar.