📖 R — The English dictionary

ra — Everyday, meaning 1: (myths) Ra (also Re) was the sun god of ancient Egypt, often shown with a falcon's head and the sun disc on top.↗ Everyday, meaning 2: (science) Ra is the chemical symbol for radium, a radioactive element.↗ Everyday, meaning 3: (abbreviation) RA can stand for the Royal Academy of Arts in London, a resident assistant in US college dorms, or rheumatoid arthritis, a joint illness.↗ Everyday, meaning 4: "Rah" or "ra" is a cheering shout, as in "rah-rah".↗ Everyday, meaning 5: A word that copies the sound of a horn or trumpet.↗ Example: The ancient Egyptians worshipped Ra, the sun god.↗ · Ra was painted with the head of a falcon and a sun above it.↗ · Egyptians believed Ra crossed the sky in a golden boat.↗ · Ra is the symbol for radium in the periodic table.↗ · We visited an exhibition at the RA in London.↗ · The cheerleaders shouted, "Rah, rah, go team!"↗ · Pharaohs called themselves sons of Ra.↗ · "Tan-ta-ra-ra, tan-ta-ra-ra," sounded the horn, and the mail-coach came lumbering up.↗

rabbi — Everyday, meaning 1: A rabbi is a Jewish religious leader and teacher who leads a community, explains the Jewish holy books and leads services in a synagogue.↗ Example: The rabbi read from the Torah.↗ · Our class visited a synagogue and met the rabbi.↗ · The rabbi explained what happens at Passover.↗ · She wants to become a rabbi when she grows up.↗ · The rabbi helped the family when their grandfather died.↗ · Rabbis are teachers as well as leaders.↗ · I pointed out an early instance of this, quoted by a Rabbi of the second century, in my Fables of Aesop, i. 105.↗ · The reading of Rabbi Luria is as follows: (Sefer Yetzirah, Kalisch 1877)↗ · A Version with the commentary of Rabbi Abraham (Sefer Yetzirah, Westcott 1893)↗ · A Version with the commentary of Rabbi Abraham F.↗ (Sefer Yetzirah, Westcott 1893)↗

rabbinical — In Jewish tradition, meaning 1: Having to do with rabbis, their teaching, their writings or their learning.↗

rabbit — Everyday, meaning 1: A rabbit is a small furry animal with long ears, strong back legs and a short fluffy tail that hops.↗ Everyday, meaning 2: To rabbit on (UK) is to talk for a long time about unimportant things.↗ Example: There are 8 rabbits in the cage.↗ · Each rabbit eats 2 carrots a day.↗ · Farmer Joe has rabbits and chickens, 30 legs in all.↗ · 3 rabbits ran away.↗ · Rabbits live in holes called burrows.↗ · A pet rabbit needs lots of hay.↗ · The magician pulled a rabbit out of a hat.↗ · Peter Rabbit squeezed under the gate.↗ · Stop rabbiting on and do your homework!↗ · "Does it hurt?" asked the Rabbit.↗

rabble — Everyday, meaning 1: A rabble is a noisy, rough crowd of people who are not well behaved.↗ Everyday, meaning 2: A rabble can also be a gang of rude, low people, said with scorn.↗ Example: The rabble shouted in the street.↗ · The guards drove the rabble out of the palace.↗ · «Thievish rabble!» cried the Thistle.↗

rabid — Everyday, meaning 1: A rabid animal has rabies, a deadly disease that makes animals angry and attack.↗ Everyday, meaning 2: Rabid means extreme and too strong in feeling: a rabid fan.↗ Example: A rabid dog may foam at the mouth.↗ · Never touch a bat; it could be rabid.↗ · The fox was acting oddly and might be rabid.↗ · He's a rabid football fan.↗ · Rabid animals can be very dangerous.↗ · If a wild animal bites you, see a doctor at once.↗ · The rabid crowd shouted at the referee.↗ · Vets vaccinate pets against rabies.↗

rabies — Everyday, meaning 1: Rabies is a very dangerous disease that animals such as dogs, bats, foxes and raccoons can pass to people, usually by biting.↗ Everyday, meaning 2: It attacks the brain and nerves, and without quick treatment it nearly always kills.↗ Example: Rabies is spread through the bite of an infected animal.↗ · Our dog had his rabies shot at the vet.↗ · Never touch a bat, even if it looks sick, because it might have rabies.↗ · If an animal bites you, tell an adult straight away.↗ · A doctor can give injections that stop rabies if you go quickly.↗ · Some countries, such as the UK, have no rabies in their land animals.↗ · An animal with rabies may act strangely or very angrily.↗

raccoon — Everyday, meaning 1: A raccoon is a grey furry animal from North America with a black "mask" across its eyes and a bushy striped tail.↗ Example: A raccoon tipped over our bin last night.↗ · Raccoons have black masks and striped tails.↗ · Raccoons are nocturnal, so they come out at night.↗ · Do not try to pet a wild raccoon.↗ · The raccoon used its paws like hands.↗ · Raccoons eat fruit, insects, eggs and food scraps.↗ · We saw raccoon tracks in the snow.↗ · De raccoon totes a bushy tail, De 'possum totes no ha'r, Mr. Rabbit, he come skippin' by, He ain't got none ter spar'.↗

race — Everyday, meaning 1: A race is a contest to see who is fastest.↗ Everyday, meaning 2: To race is to run or go very fast, often against others.↗ Everyday, meaning 3: A race is a contest to be first to do something: the race to the Moon.↗ Everyday, meaning 4: A race is also a large group of people that some say share a look or family history; the idea is less used in science today.↗ Example: The race is 400 meters long.↗ · Ann finished the race in 12 minutes.↗ · He won 5 of the 8 races.↗ · In a relay race, each runner runs 100 meters.↗ · We had a sack race on sports day.↗ · The children raced to the gate.↗ · In the fable, the tortoise won the race.↗ · My heart was racing before the test.↗ · It was a race against time to finish the project.↗ · Slow and steady wins the race.↗ · Every one of them is an eternal covenant in order to preserve the human race for ever, according to its two-fold being: body and spirit.↗ (Sefer Yetzirah, Kalisch 1877)↗

racecourse — Everyday, meaning 1: A track or ground where races are held, especially horse races, with stands for people to watch: «Aintree racecourse».↗ Everyday, meaning 2: Any course for racing, such as for cars or runners.↗ Example: Thousands of people went to the racecourse for the Grand National.↗ · The horses galloped round the racecourse.↗ · Flemington racecourse in Melbourne hosts the Melbourne Cup.↗ · The school fun run was held on the old racecourse.↗ · The racecourse is a mile and a half around.↗ · The car park at the racecourse was full.↗

racehorse — Everyday, meaning 1: A racehorse is a horse that is bred and trained to run in races.↗ Everyday, meaning 2: Racehorses are usually fast, slim breeds such as Thoroughbreds.↗ Example: The racehorse galloped across the finish line first.↗ · Racehorses are trained every morning on the gallops.↗ · My uncle works as a groom for racehorses.↗ · The racehorse wore a numbered cloth and a jockey in bright colours.↗ · Some people worry that racing is hard on racehorses.↗ · Retired racehorses can find new homes as riding horses.↗

racer — Everyday, meaning 1: A person, animal or machine that takes part in races: «a racing car driver is a racer».↗ Everyday, meaning 2: A car, bike, boat or horse built or trained for racing: «a racer bike».↗ Everyday, meaning 3: (US) A kind of fast snake, like the black racer.↗ Example: The racers lined up at the starting line.↗ · Lewis Hamilton is a famous racing car racer.↗ · My brother got a red racer bike for his birthday.↗ · The snail was the slowest racer in our garden race.↗ · The black racer is a fast, harmless snake in North America.↗ · Each racer must wear a helmet.↗ · “Go,” said Fionn to a hawk-eyed man, “go to the top of this hill and watch for the coming of the racers.”↗

racetrack — Everyday, meaning 1: A track, usually an oval or loop, where horses, cars, bikes or runners race.↗ Everyday, meaning 2: A place where horse races are held, with stands for the crowd (also called a racecourse).↗ Example: The cars zoomed round the racetrack.↗ · We went to the racetrack to watch the horses.↗ · One lap of the school racetrack is 400 metres.↗ · My toy racetrack has a loop-the-loop.↗ · The crowd at the racetrack cheered as the winner crossed the line.↗ · She ran four laps of the racetrack, which is 1,600 metres.↗

racial — Everyday, meaning 1: To do with race, the old idea of grouping people by skin colour, family background or where their ancestors came from: «racial equality», «racial prejudice».↗ Everyday, meaning 2: Happening between groups that people see as different races: «racial tension», «racial discrimination».↗ Example: Martin Luther King Jr worked for racial equality in the USA.↗ · Racial discrimination is against the law in the UK.↗ · Apartheid in South Africa was a system of racial separation.↗ · Racial abuse at football matches is reported to the police.↗ · Our school celebrates racial and cultural diversity.↗ · Rosa Parks protested against racial segregation on buses.↗

racially — Everyday, meaning 1: In a way that is connected with race — the groups people are sometimes divided into because of skin colour, family background or where their families came from.↗ Everyday, meaning 2: In phrases like "racially abused", in a way that treats someone badly because of their race, which is wrong and often against the law.↗ Example: Our school is racially diverse, with families from all over the world.↗ · In the past, some American schools were racially segregated.↗ · Calling someone names because of their skin colour is racially abusive and wrong.↗ · The police said the attack was racially motivated.↗ · Rosa Parks stood up against racially unfair laws on buses.↗ · The football club banned a fan for racially insulting a player.↗

racism — Everyday, meaning 1: Racism is treating people unfairly, or thinking they are worse, because of their race, skin colour, nationality or ethnic group.↗ Everyday, meaning 2: Racism is also unfair rules or systems in a society that disadvantage some groups because of race.↗ Example: Racism is never acceptable at our school.↗ · Martin Luther King Jr spoke out against racism.↗ · If you see racism, tell a trusted adult.↗ · The footballers knelt to show they stand against racism.↗ · Apartheid in South Africa was a system of racism.↗ · Calling someone names because of their skin colour is racism.↗ · The book helped us understand how racism hurts people.↗

racist — Everyday, meaning 1: Racist describes words, actions or ideas that treat people unfairly or badly because of their race, skin colour or where their family comes from.↗ Everyday, meaning 2: A racist is a person who believes some races are better than others or treats people unfairly because of race.↗ Example: Calling someone names because of their skin colour is racist.↗ · Our school does not allow racist bullying.↗ · If you hear a racist comment, tell a trusted adult.↗ · Rosa Parks stood up against racist rules on buses.↗ · Everyone deserves respect, whatever their race.↗ · The class talked about how to be anti-racist and kind.↗

rack — Everyday, meaning 1: A rack is a frame or shelf with bars, hooks or spaces for holding things, such as a coat rack, a bike rack or a toast rack.↗ Everyday, meaning 2: To rack your brains is to think very hard to remember or solve something.↗ Everyday, meaning 3: «Rack up» means to collect or gain a lot, like points.↗ Everyday, meaning 4: A rack was also a wooden frame used in the past to torture people by stretching their bodies.↗ Example: Lock your bike to the bike rack.↗ · Hang your coat on the rack by the door.↗ · Put the hot cookies on a cooling rack.↗ · I racked my brains but couldn't remember her name.↗ · Our team racked up twenty points.↗ · The dishes are drying in the rack.↗ · Put the shoes back on the shoe rack.↗ · Hans takes Gretel, ties her to a rope, leads her to the rack, and binds her fast.↗

racket — Everyday, meaning 1: A bat with a frame and strings, used to hit the ball in tennis, badminton or squash (also spelled "racquet").↗ Everyday, meaning 2: A loud, unpleasant noise.↗ e.g. "What a racket!"↗ Everyday, meaning 3: A dishonest way of getting money, a trick or scam.↗ Example: I got a new tennis racket for my birthday.↗ · Hold the badminton racket loosely.↗ · The kids made a terrible racket in the playground.↗ · What a racket those crows are making!↗ · Squash rackets are smaller than tennis rackets.↗ · The police stopped a racket that tricked old people.↗ · Keep your racket away from other players' heads.↗ · Rooster makes mo' racket dan de hin w'at lay de aig.↗

rad — Everyday, meaning 1: (slang, mainly US and Australia) Rad means really cool or great: «That skateboard trick was rad!».↗ Everyday, meaning 2: (science) A rad is an old unit for measuring how much radiation something has absorbed.↗ Everyday, meaning 3: (maths) rad is short for radian, a unit for measuring angles used in higher maths.↗ Everyday, meaning 4: (UK, informal) A rad can be short for a radiator.↗ Example: (slang) That's so rad!↗ · (slang) He did a totally rad jump on his BMX.↗ · (slang) Your new shoes are rad.↗ · (maths) A full circle is about 6.28 rad.↗ · (science) Doctors once measured radiation doses in rads.↗ · (UK, informal) Put your wet socks on the rad to dry.↗

radar — Everyday, meaning 1: Radar is a system that sends out radio waves and catches them when they bounce back, to find where planes, ships, storms or cars are and how fast they move.↗ Everyday, meaning 2: «On someone's radar» means they know about it or are paying attention to it.↗ Example: Air traffic controllers watch planes on the radar.↗ · The weather radar shows rain coming this afternoon.↗ · The police used radar to check the cars' speed.↗ · The ship's radar spotted an iceberg.↗ · Bats find insects in a way a bit like radar, using sound.↗ · The test is not on my radar yet — when is it?↗

radial — Everyday, meaning 1: Spreading out from a centre, like the spokes of a wheel or the rays of the sun: «a radial pattern».↗ Everyday, meaning 2: (maths) To do with the radius of a circle.↗ Everyday, meaning 3: (science, body) To do with the radius bone in the forearm: «the radial artery», used to feel your pulse at the wrist.↗ Everyday, meaning 4: (noun) A radial tyre, a kind of car tyre; or a road leading out from a city centre.↗ Example: A starfish has radial symmetry, with arms spreading from the middle.↗ · Find your radial pulse on the thumb side of your wrist.↗ · The city's radial roads lead out like spokes.↗ · A spider's web has radial threads and spiral threads.↗ · Daisies show a radial pattern of petals.↗ · The mechanic fitted four new radials to the car.↗