rubber
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B1 noun /ˈrʌbər/

rubber

felicidad
Meaning
a tough elastic substance made from the latex of tropical plants or synthetically, used for making tires, boots, and other products.
Example
The tires are made of natural rubber.
Ella no pudo ocultar su felicidad cuando recibió el premio.
C1 adjective /rɪˈdʌn.dənt/

redundant

innecesario
Meaning
Not or no longer needed or useful; superfluous.
Example
The report contained redundant information.
El informe contenía información innecesaria.
C1 noun /rɪˈnaʊn/

Renown

renombre; fama
Meaning
the condition of being known or talked about by many people; fame
Example
The scientist achieved international renown for her discoveries.
La científica alcanzó renombre internacional por sus descubrimientos.
C2 adjective /rɪˈprɛsəbl̩/

repressible

reprimible
Meaning
Capable of being restrained or suppressed.
Example
The movement proved to be hardly repressible.
El movimiento resultó ser casi reprimible.
B2 noun /ˈroʊ.lɪŋ pɪn/

Rolling pin

rodillo
Meaning
a cylindrical tool used for rolling out dough or pastry
Example
Roll the dough flat with a rolling pin.
Extiende la masa con un rodillo.
C1 adjective /rɪˈɡrɛtfəl/

regretful

arrepentido
Meaning
feeling or showing sadness or disappointment about something that has happened or been done
Example
She gave him a regretful smile as she turned away.
Ella le dio una sonrisa arrepentida mientras se alejaba.
C1 noun /ˈræftər/

rafter

viga
Meaning
One of the sloping beams that supports a roof.
Example
The old barn’s rafters were exposed.
Las vigas del viejo granero estaban expuestas.
C1 noun/verb /ˈrɛprɪˌmænd/

reprimand

reprensión
Meaning
A formal expression of disapproval; to scold or criticize someone officially.
Example
The teacher reprimanded the student for being late.
El maestro reprendió al estudiante por llegar tarde.
B2 noun /ˈruːdnəs/

Rudeness

grosería
Meaning
the quality of being impolite, discourteous, or offensive in behavior or speech
Example
His rudeness shocked everyone at the dinner party.
Su grosería sorprendió a todos en la fiesta de cena.
A2 verb /ˈrɛkəɡnaɪz/

recognize

reconocer, aceptar
Meaning
To identify someone or something seen before; to acknowledge or accept.
Example
She did not recognize him in the crowd.
Ella no lo reconoció en la multitud.
A2 noun /ˈrɛsɪpi/

recipe

receta
Meaning
a set of instructions for preparing a particular dish, including a list of the ingredients required
Example
I found a great recipe for chocolate cake.
Encontré una gran receta para pastel de chocolate.
B1 adjective /rɪˈmoʊt/

remote

remoto
Meaning
Situated far from the main centers of population; distant.
Example
They stayed in a remote village during their trip.
Se quedaron en un pueblo remoto durante su viaje.
C1 noun /ræˈpɔːr/

rapport

relación
Meaning
A close and harmonious relationship in which the people or groups concerned understand each other's feelings or ideas.
Example
The teacher built a strong rapport with her students.
La maestra construyó un fuerte rapport con sus estudiantes.
A1 adjective /ˈrɛd.i/

ready

listo
Meaning
Prepared or available for use or action.
Example
She was ready to leave for the airport.
Ella estaba lista para ir al aeropuerto.
C1 noun /rɪˈpɑːzɪtɔːri/

repository

repositorio
Meaning
a place where things are stored or kept for safekeeping
Example
The library serves as a repository of knowledge.
La biblioteca sirve como un repositorio de conocimiento.
C1 verb /riːl/

reel

tropezar / enrollar
Meaning
to lose balance and stagger; to wind or spin something onto a reel
Example
He reeled backward after being punched.
Se tropezó hacia atrás después de ser golpeado.
B2 verb /rɪˈstreɪn/

restrain

restringir
Meaning
to hold back or control; to limit or restrict
Example
Please restrain your dog.
Por favor, controla a tu perro.
B1 adjective /rɪˈlækst/

relaxed

relajado
Meaning
free from tension or stress; calm and comfortable
Example
She felt relaxed after listening to soft music.
Se sintió relajado después de escuchar música suave.
C1 noun /rɪˈzʌmp.ʃən/

Resumption

reanudar
Meaning
the action of beginning something again after a pause or interruption
Example
The resumption of classes will be announced next week.
La reanudación de las clases será anunciada la próxima semana.
C1 verb /ˈrek.ən.saɪl/

reconcile

reconciliar, armonizar, hacer las paces
Meaning
Restore friendly relations between; cause to coexist in harmony.
Example
They tried to reconcile their differences through open communication.
Ellos intentaron reconciliar sus diferencias mediante una comunicación abierta.
C2 noun /rɪˈpæst/

repast

comida
Meaning
A meal or the food eaten during a meal.
Example
They enjoyed a delicious repast by the riverside.
Disfrutaron de una deliciosa comida junto al río.
A2 adjective /riːl/

Real

real; auténtico; genuino; no falso
Meaning
actually existing; genuine; not imaginary or fake
Example
This is a real diamond, not a fake one.
Este es un diamante real, no uno falso.
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 noun/verb /rɪˈpriːz/

reprise

repetición
Meaning
A repetition or return to an earlier theme, role, or action.
Example
The actor reprised his role in the sequel.
El actor repitió su papel en la secuela.
C1 verb /ˌriːˈmɒdəl/

remodel

remodelar
Meaning
To change the structure or form of something, especially a building.
Example
They decided to remodel their kitchen last summer.
Ellos decidieron remodelar su cocina el verano pasado.
B2 noun /reɪdʒ/

rage

ira
Meaning
intense anger or fury
Example
She shouted in a fit of rage after hearing the news.
Ella gritó en un ataque de ira después de escuchar las noticias.
C2 adjective /ˈrɛɡnənt/

regnant

regente
Meaning
Reigning; currently holding power, authority, or dominance.
Example
The regnant queen introduced several reforms during her reign.
La reina regente introdujo varias reformas durante su reinado.
B1 adjective /rɪˈlɪdʒəs/

Religious

religioso; devoto; espiritual; relacionado con la religión;
Meaning
relating to or believing in a religion; devout; spiritual;
Example
He comes from a very religious family.
Él proviene de una familia muy religiosa.
C1 adjective /ˈroʊ.ɡɪʃ/

Roguish

travieso; pícaro
Meaning
mischievous; playfully dishonest
Example
His roguish smile suggested he was up to some mischief.
Su sonrisa traviesa sugería que estaba tramando alguna travesura.
B1 noun riˈæləti

reality

realidad
Meaning
The world or the state of things as they actually exist, as opposed to an idealistic or notional idea.
Example
The reality of the situation was evident.
La realidad de la situación era evidente.
B2 noun /ˈrerəti/

Rarity

la condición de ser raro; algo poco común o escaso
Meaning
the state of being rare; something that is uncommon or scarce
Example
The antique vase was a rarity worth thousands of dollars.
El jarrón antiguo era una rareza que valía miles de dólares.
B2 noun /ˈreɪsɪzəm/

racism

racismo
Meaning
the belief that some races are superior to others, leading to unfair treatment or prejudice
Example
The organization works to eliminate racism in all forms.
La organización trabaja para eliminar el racismo en todas sus formas.
B2 noun /rɪb/

Rib

costilla
Meaning
one of the curved bones that protect the chest and lungs
Example
He broke his rib in the accident.
Se rompió una costilla en el accidente.
B2 noun /rɪˈhɜːr.səl/

Rehearsal

ensayo; práctica de una actuación
Meaning
a practice performance of a play, concert, or other work for later public performance
Example
The final rehearsal before opening night went perfectly.
El ensayo final antes de la noche de apertura fue perfecto.
B2 noun /ˌreɡ.jʊˈleɪ.ʃənz/

regulations

regulaciones
Meaning
Rules or directives made and maintained by an authority.
Example
Strict regulations ensure fair practices.
Las estrictas regulaciones aseguran prácticas justas.
B2 adjective /ˈruː.tɪd/

Rooted

arraigado
Meaning
deeply established; firmly fixed
Example
His beliefs are deeply rooted in tradition.
Sus creencias están profundamente arraigadas en la tradición.
B1 adjective /rɪˈleɪ.tɪd/

Related

relacionado; vinculado
Meaning
connected; associated; having a connection or relationship
Example
These two problems are closely related to each other.
Estos dos problemas están estrechamente relacionados entre sí.
C2 noun /ˌrɛprəˈbeɪʃən/

reprobation

reprobación
Meaning
Strong disapproval or condemnation; rejection by God as beyond salvation.
Example
The teacher’s face showed clear reprobation at the student’s rude remark.
El rostro del profesor mostró una clara reprobación ante el comentario grosero del estudiante.
C2 noun /rɪˈdʒɔɪndər/

rejoinder

réplica
Meaning
a quick or witty reply; a response to a remark or argument
Example
His sharp rejoinder silenced the crowd.
Su aguda réplica silenció a la multitud.
C1 noun /ˈroʊz ˈwɔː.tər/

Rose-water

agua de rosa
Meaning
a flavored water made by steeping rose petals in water, used in cooking and cosmetics
Example
She added a few drops of rose-water to the dessert.
Ella añadió unas gotas de agua de rosa al postre.
B1 noun rəʊlz

Roles

rol
Meaning
A person's or thing's function in a particular situation.
Example
Defined roles improve team performance.
Los roles definidos mejoran el rendimiento del equipo.
B2 adjective /rɪˈsɔːrsfəl/

resourceful

Meaning
Having the ability to find quick and clever ways to overcome difficulties.
Example
She is very resourceful when it comes to solving unexpected problems.
C1 adjective /ˈrænsɪd/

rancid

rancio
Meaning
having a bad taste or smell due to being old or spoiled (especially fats or oils)
Example
The butter had gone rancid after being left out too long.
La mantequilla se puso rancia después de estar demasiado tiempo fuera.
C1 noun /rʌk/

Ruck

empujón; multitud desordenada
Meaning
a situation where a crowd of people are pushing against each other; a disorderly crowd
Example
There was a ruck at the football match.
Hubo un empujón en el partido de fútbol.
A2 noun /ruːlz/

rules

reglas
Meaning
explicit principles or regulations governing conduct or procedure within a particular area of activity
Example
The teacher reminded the students to follow the classroom rules.
El maestro recordó a los estudiantes que siguieran las reglas del aula.
C1 adjective /ˈræmʃækəl/

ramshackle

deteriorado
Meaning
poorly built or maintained; in a state of disrepair
Example
They lived in a ramshackle old house on the edge of town.
Vivían en una casa deteriorada en el borde de la ciudad.
A2 noun /reɪt/

rate

tarifa
Meaning
the cost or price of something, or the amount at which something happens
Example
The rate of inflation is increasing every year.
La tasa de inflación está aumentando cada año.
C1 noun /ˈreɪdiəns/

radiance

radiancia
Meaning
the quality of shining with bright light; a glowing or beaming quality
Example
Her face was filled with radiance after hearing the good news.
Su rostro se llenó de radiancia después de escuchar las buenas noticias.
A2 verb /rɪˈtɜːrn/

return

volver
Meaning
to come or go back to a place; to give back
Example
I will return home tomorrow.
Volveré a casa mañana.
B2 adjective /rɪˈflektɪv/

Reflective

reflexivo; pensativo; capaz de reflejar luz o imágenes
Meaning
thoughtful; contemplative; able to reflect light or images
Example
After the meeting, he was in a reflective mood.
Después de la reunión, él estaba en un estado reflexivo.
C1 adjective /ræmˈbʌŋk.ʃəs/

rambunctious

alborotado
Meaning
boisterous, energetic, and difficult to control.
Example
The rambunctious children filled the house with noise.
Los niños alborotados llenaron la casa de ruido.
C1 adjective /ˈrɪkɪti/

rickety

deteriorado
Meaning
Poorly made and likely to collapse; shaky.
Example
They crossed a rickety wooden bridge over the river.
Cruzaron un puente de madera deteriorado sobre el río.
A2 adjective /ˈrʌʃən/

russian

ruso
Meaning
relating to Russia, its people, or its language
Example
She is studying the Russian language at university.
Ella está estudiando el idioma ruso en la universidad.
C2 adjective /ˈrɪbɔːld/

ribald

bromas obscenas
Meaning
Referring to sexual matters in a humorous or vulgar way.
Example
The comedian’s ribald jokes made the audience laugh uncomfortably.
Los chistes obscenos del comediante hicieron reír a la audiencia incómodamente.
C1 adjective /ræpt/

Rapt

absorto
Meaning
completely fascinated or absorbed by what one is seeing or hearing
Example
The children listened with rapt attention to the storyteller.
Los niños escucharon con atención absorta al cuentacuentos.
B1 noun /ruːˈtiːn/

routine

rutina, hábito, secuencia fija
Meaning
A sequence of actions regularly followed; a fixed program.
Example
A well-structured routine improves productivity.
Una rutina bien estructurada mejora la productividad.
C1 noun /ˌrɛfəˈrɛndəm/

referendum

referéndum
Meaning
a general vote by the population on a single political issue
Example
The government held a referendum on the new constitution.
El gobierno celebró un referéndum sobre la nueva constitución.
B2 verb /ˈruːɪn/

ruin

arruinar
Meaning
to destroy or damage beyond repair; to spoil completely
Example
Heavy rain could ruin our picnic plans.
La lluvia intensa podría arruinar nuestros planes para el picnic.
C2 noun /ruːθ/

ruth

compasión
Meaning
A feeling of pity, compassion, or sorrow.
Example
He felt no ruth for the people he had betrayed.
Él no sintió ninguna compasión por las personas a las que había traicionado.
C2 noun /ræpˈskæliən/

rapscallion

persona traviesa
Meaning
A mischievous or cheeky person; a rascal.
Example
The little rapscallion hid his brother’s shoes as a prank.
El pequeño rapscallion escondió los zapatos de su hermano como una broma.
B2 adjective /rɪˈspek.tɪv/

Respective

respectivo; correspondiente
Meaning
belonging to each individual; particular to each
Example
The students returned to their respective classrooms after lunch.
Los estudiantes regresaron a sus respectivas aulas después del almuerzo.
C2 adjective /ræpˈtɔːriəl/

raptorial

rapaz
Meaning
Relating to birds of prey or predatory behavior.
Example
The eagle is a raptorial bird with sharp talons.
El águila es un ave rapaz con garras afiladas.
B1 adjective ˈriː.dʒən.əl

regional

regional
Meaning
Relating to or characteristic of a region.
Example
Regional hubs support localized industries.
Los centros regionales apoyan a las industrias locales.
C1 adjective /rɪˈvenʒ.fəl/

Revengeful

vengativo
Meaning
seeking or desiring revenge; vindictive
Example
He became revengeful after being betrayed by his friend.
Se volvió vengativo después de ser traicionado por su amigo.
B2 adjective /ˈruː.mi/

Roomy

espacioso; con mucho espacio
Meaning
spacious; having a lot of room
Example
The apartment is very roomy with spacious bedrooms.
El apartamento es muy espacioso con habitaciones grandes.
C1 noun /ˌræʃəˈnæl/

rationale

razón subyacente
Meaning
the underlying reason or explanation for something
Example
The rationale behind his decision was clearly explained.
La razón detrás de su decisión fue claramente explicada.
C1 noun /rɪˈfaɪnəri/

refinery

refinería
Meaning
an industrial facility where raw materials are processed and purified
Example
The oil refinery processes thousands of barrels daily.
La refinería de petróleo procesa miles de barriles a diario.
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.
B2 adjective ˌriːprəˈdʌktɪv

reproductive

reproductivo
Meaning
Relating to the reproduction of offspring.
Example
The reproductive cycle of pests can cause rapid infestations.
El ciclo reproductivo de las plagas puede causar infestaciones rápidas.
C1 verb /rɪˈsɜːrdʒ/

resurge

resurgir
Meaning
To rise, increase, or become active again after a decline.
Example
Interest in traditional crafts has begun to resurge.
El interés en las artesanías tradicionales ha comenzado a resurgir.
A2 noun /rɒk/

rock

roca
Meaning
a large, solid piece of mineral matter
Example
The mountain was made of solid rock.
La montaña estaba hecha de roca sólida.
C1 noun rɪˈfaɪnmənt

refinement

refinamiento
Meaning
The process of removing impurities or unwanted elements from a substance.
Example
His manners showed a refinement that made him stand out in any crowd.
Sus modales mostraron un refinamiento que lo hizo destacar en cualquier multitud.
C1 noun /ˌrɛtrɪˈbjuːʃən/

retribution

venganza, castigo
Meaning
punishment inflicted as vengeance for a wrong or crime
Example
The villagers demanded retribution for the crime committed.
Los aldeanos exigieron venganza por el crimen cometido.
B2 noun /ˌref.jʊˈdʒiː/

Refugee

refugiado
Meaning
a person who has been forced to leave their country in order to escape war, persecution, or natural disaster
Example
The refugee camp provided temporary shelter for thousands of displaced families.
El campamento de refugiados proporcionó refugio temporal para miles de familias desplazadas.
C1 verb /ˌriːɪmˈbɜːrs/

reimburse

reembolsar
Meaning
to pay back money to someone who has spent it or lost it
Example
The company reimbursed him for travel expenses.
La empresa le reembolsó los gastos de viaje.
B1 adjective /rɪˈpiː.tɪd/

Repeated

repetido; que ocurre varias veces
Meaning
done again; happening again; occurring multiple times
Example
He made repeated attempts to contact her.
Él hizo intentos repetidos para contactarla.
B2 noun /reɪˈʒiːm/

regime

régimen
Meaning
a system or form of government, often authoritarian
Example
The military regime controlled the country for decades.
El régimen militar controló el país durante décadas.
C1 verb /ˈrɪdɪkjuːl/

ridicule

ridiculizar
Meaning
To make fun of someone or something in a cruel or dismissive way.
Example
He was ridiculed for his strange ideas.
Fue ridiculizado por sus ideas extrañas.
A1 noun /reɪn/

Rain

lluvia
Meaning
water that falls from clouds in small drops
Example
The heavy rain forced us to stay indoors.
La lluvia intensa nos obligó a quedarnos adentro.
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.
B2 noun /ˈriːzənɪŋ/

reasoning

razonamiento
Meaning
the process of thinking about something in a logical way in order to form a conclusion or judgment
Example
Her reasoning for leaving was clear and logical.
Su razonamiento para irse fue claro y lógico.
C1 noun /ˈrɪɡər/

rigor

rigor
Meaning
strictness, severity, or demanding conditions
Example
The training was carried out with great rigor.
El entrenamiento se llevó a cabo con gran rigor.
B2 noun /ˈrɪdəl/

Riddle

acertijo
Meaning
a question or statement intentionally phrased so as to require ingenuity in ascertaining its answer or meaning; a puzzle
Example
The ancient riddle stumped all the scholars for years.
El antiguo acertijo desconcertó a todos los eruditos durante años.
C2 adjective /ˈreɪ.moʊs/

ramose

ramificado
Meaning
having many branches.
Example
The ramose tree shaded the entire garden.
El árbol ramificado dio sombra a todo el jardín.
A2 adjective /rɪˈspɒn.sə.bəl/

Responsible

responsable; responsable de; digno de confianza y confiable
Meaning
accountable; having duties; reliable and trustworthy
Example
Parents are responsible for their children's education and well-being.
Los padres son responsables de la educación y el bienestar de sus hijos.
B2 verb /rɪˈzɛnt/

resent

resentir
Meaning
to feel bitterness or displeasure about something or someone
Example
She began to resent the constant criticism from her boss.
Ella comenzó a resentir la constante crítica de su jefe.
B1 adjective /rʌf/

Rough

áspero; rugoso; duro
Meaning
having an uneven surface; not smooth; harsh
Example
The rough surface of the rock hurt my hands.
La superficie rugosa de la roca me lastimó las manos.
B1 noun /ˈrʌbɪʃ/

Rubbish

basura; cosas inútiles; tonterías
Meaning
waste material; refuse or litter; nonsense or worthless things
Example
Please throw the rubbish in the bin.
Por favor, tira la basura en el contenedor.
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 /ˈrætɪfaɪ/

ratify

ratificar
Meaning
to approve or confirm something officially, usually by law or formal consent
Example
The government ratified the trade agreement.
El gobierno ratificó el acuerdo comercial.
B2 noun, verb /ˈriːteɪl/

retail

venta al por menor
Meaning
the sale of goods to the public in small quantities for use or consumption rather than for resale
Example
The company specializes in the retail of clothing and accessories.
La empresa se especializa en la venta al por menor de ropa y accesorios.
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 verb /rɪˈstrɪkt/

restrict

restringir
Meaning
To limit the size, amount, or range of something.
Example
The government decided to restrict the use of plastic bags.
El gobierno decidió restringir el uso de bolsas de plástico.
B1 noun /rɪˈpɔːtɪŋ/

reporting

informes
Meaning
the act of giving news or information about something
Example
Good reporting is essential for public awareness.
Un buen informe es esencial para la conciencia pública.
B2 verb /ˌriːˈbɪld/

rebuild

reconstruir
Meaning
to build something again after it has been damaged or destroyed
Example
The villagers worked together to rebuild the bridge after the flood.
Los aldeanos trabajaron juntos para reconstruir el puente después de la inundación.
C2 noun /rɪˈkɒɡnɪzəns/

recognizance

compromiso legal
Meaning
A legal obligation or bond entered into before a court, especially to ensure future appearance.
Example
He was released on his own recognizance.
Fue liberado bajo su propio compromiso legal.
A2 verb /rɪˈmaɪnd/

remind

recordar
Meaning
to cause someone to remember something
Example
Please remind me to call her tomorrow.
Por favor, recuérdame llamar a ella mañana.
A2 noun /rent/

Rent

felicidad
Meaning
a payment made periodically by a tenant to a landlord for use of property
Example
The monthly rent for this apartment is quite affordable.
Ella no pudo ocultar su felicidad cuando recibió el premio.
C1 noun /rɪˈpen.təns/

Repentance

arrepentimiento
Meaning
the action of repenting; sincere regret or remorse
Example
His genuine repentance moved everyone in the courtroom.
Su arrepentimiento genuino conmovió a todos en la sala del tribunal.
B1 adjective /rɪˈmɑːrkəbl/

Remarkable

notable; extraordinario; digno de atención;
Meaning
worthy of attention; extraordinary; notable;
Example
His recovery from the illness was remarkable.
Su recuperación de la enfermedad fue notable.
C1 noun /riˈæktənt/

reactant

reactante
Meaning
A substance that takes part in and undergoes change during a chemical reaction.
Example
Oxygen is a reactant in the process of combustion.
El oxígeno es un reactante en el proceso de combustión.
C2 verb /ˈræm.ɪ.faɪ/

ramify

ramificarse
Meaning
to spread or branch out into divisions or subdivisions.
Example
The river ramifies into several smaller streams.
El río se ramifica en varios arroyos más pequeños.
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.
B1 noun /rɪˈsɜːtʃə(r)/

researcher

investigador
Meaning
a person who conducts research
Example
The researcher published her findings in a scientific journal.
El investigador publicó sus hallazgos en una revista científica.
C2 adjective /rɪˈdjuːsəbl̩/

reducible

reducible
Meaning
capable of being simplified, lessened, or made smaller
Example
The problem is complex but reducible to a few basic principles.
El problema es complejo pero reducible a unos pocos principios básicos.
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.
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 /ˈrɛzərvwɑːr/

reservoir

embalse
Meaning
A large natural or artificial lake used as a source of water supply.
Example
The city built a new reservoir to ensure enough drinking water for its residents.
La ciudad construyó un nuevo embalse para garantizar suficiente agua potable para sus residentes.
C1 noun /ˈrɛpərˌtɔːri/

repertory

repertorio
Meaning
A collection of works that a company, performer, or institution regularly performs; also a storehouse of information or skills.
Example
The theater has a repertory of classic plays.
El teatro tiene un repertorio de obras clásicas.
C1 adjective rɪsk-ədˈʤɛstɪd

risk-adjusted

ajustado al riesgo
Meaning
Modified or calibrated to account for risk factors in investment returns.
Example
Risk-adjusted returns consider both potential profit and loss.
Las rentas ajustadas al riesgo consideran tanto el beneficio potencial como la pérdida.
B1 noun /reɪ/

ray

rayo
Meaning
a narrow beam of light, heat, or radiation
Example
A ray of sunlight broke through the clouds.
Un rayo de luz del sol rompió a través de las nubes.
B2 verb /rɪˈliːv/

relieve

aliviar
Meaning
to make pain, distress, or difficulty less severe or serious
Example
The medicine helped relieve his headache.
La medicina ayudó a aliviar su dolor de cabeza.
C2 adjective /rɪˈfjuː.tə.bəl/

Refutable

refutable
Meaning
capable of being proven wrong or false; able to be disproved
Example
His theory was refutable because it could be tested experimentally.
Su teoría era refutable porque podía ser probada experimentalmente.
B2 adjective /rɪˈmuːvəbəl/

removable

extraíble
Meaning
able to be removed or taken away
Example
This phone has a removable battery.
Este teléfono tiene una batería extraíble.
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.
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.
C1 adjective /rɪˈstreɪnd/

restrained

restricto
Meaning
characterized by reserve or self-control; held back
Example
Her restrained reaction surprised everyone.
Su reacción restringida sorprendió a todos.
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.
B2 noun, verb /ræmp/

ramp

rampa
Meaning
a sloping surface joining two different levels; as a verb, to increase or rise sharply
Example
The car drove up the ramp into the parking garage.
El coche subió por la rampa al garaje.
B2 noun /ˈrɔɪəlti/

royalty

familia real / regalía (ingresos de autor)
Meaning
Members of a royal family or payment made to the owner of a patent, copyright, or natural resource.
Example
The author receives a royalty for every book sold.
El autor recibe una regalía por cada libro vendido.
B2 verb /reɪp/

rape

violación
Meaning
to force someone to have sexual intercourse without their consent
Example
The law strictly punishes those who commit rape.
La ley castiga estrictamente a aquellos que cometen violación.