racquet abuse–radius Vocabulary (R Words) – Meanings & Synonyms

racquet abuse

SportsC2

Meaning: the misuse of a racquet in sports

Part of speech: noun

Example: Racquet abuse can lead to penalties.

Category: Sports › Equipment

racquet hall

SportsB2

Meaning: a facility for playing racquet sports

Part of speech: noun

Example: The racquet hall was busy with players.

Category: Sports › Facilities

racy

ArtsC1

Meaning: suggestive or slightly indecent

Part of speech: adjective

Example: The book had a racy cover.

Category: Arts › Literature

Synonyms: risqué

rad

GeneralB1

Meaning: cool or excellent

Part of speech: adjective

Example: That concert was rad!

Category: General

Synonyms: awesome

radar

TechnologyB2

Meaning: a system for detecting objects using radio waves

Part of speech: noun

Example: The radar detected the incoming storm.

Category: Technology › Navigation

radar trap

LawC1

Meaning: a device used to catch speeding vehicles

Part of speech: noun

Example: The police set up a radar trap on the highway.

Category: Law › Traffic Law

raddled

GeneralC2

Meaning: worn out or damaged

Part of speech: adjective

Example: The raddled book was barely readable.

Category: General

Synonyms: worn

radial

MathematicsC2

Meaning: arranged like rays coming from a center

Part of speech: adjective

Example: The radial design was visually appealing.

Category: Mathematics

radian

MathematicsC1

Meaning: a unit of angle measurement

Part of speech: noun

Example: One radian is approximately 57.3 degrees.

Category: Mathematics

radiance

ScienceC2

Meaning: brightness or light emitted from a source

Part of speech: noun

Example: The radiance of the sun was blinding.

Category: Science › Physics

Synonyms: brightness

radiant

GeneralB2

Meaning: shining or glowing brightly

Part of speech: adjective

Example: She had a radiant smile.

Category: General

Synonyms: bright

radiate

ScienceB2

Meaning: to emit energy or light

Part of speech: verb

Example: The heater radiates warmth.

Category: Science › Physics

Synonyms: emit

radiation

ScienceB2

Meaning: energy emitted in the form of waves or particles

Part of speech: noun

Example: Radiation can be harmful in large doses.

Category: Science › Physics

Synonyms: emission

radiator

TechnologyB1

Meaning: a device for heating a room

Part of speech: noun

Example: The radiator kept the room warm.

Category: Technology › Heating

Synonyms: heater

radical

PoliticsC2

Meaning: extreme or fundamental

Part of speech: adjective

Example: He proposed a radical change to the system.

Category: Politics

Synonyms: extreme

radical chic

ArtsC2

Meaning: a style that combines radical politics with fashion

Part of speech: noun

Example: The event was a display of radical chic.

Category: Arts › Fashion

radicalism

PoliticsC2

Meaning: the beliefs or actions of radicals

Part of speech: noun

Example: Radicalism can lead to significant social change.

Category: Politics

radicalize

PoliticsC2

Meaning: to cause someone to adopt radical views

Part of speech: verb

Example: The movement aimed to radicalize young activists.

Category: Politics

radicchio

FoodC1

Meaning: a type of leafy vegetable

Part of speech: noun

Example: Radicchio adds a bitter flavor to salads.

Category: Food › Vegetables

radii

MathematicsC2

Meaning: plural of radius, a line from the center of a circle to its edge

Part of speech: noun

Example: The radii of the circle were measured.

Category: Mathematics

radio

TechnologyA1

Meaning: a device for receiving radio signals

Part of speech: noun

Example: I listen to music on the radio.

Category: Technology › Communication

Synonyms: wireless

radio-

ScienceC2

Meaning: a prefix indicating something related to radio

Part of speech: prefix

Example: Radioactive materials are dangerous.

Category: Science

radio astronomy

ScienceC2

Meaning: the study of celestial objects using radio waves

Part of speech: noun

Example: Radio astronomy helps us understand the universe.

Category: Science › Astronomy

radio button

TechnologyB2

Meaning: a type of button that allows one option to be selected

Part of speech: noun

Example: Click the radio button to choose your preference.

Category: Technology › User Interface

radio carbon

ScienceC2

Meaning: a radioactive isotope of carbon used in dating

Part of speech: noun

Example: Radio carbon dating is used to determine the age of ancient artifacts.

Category: Science › Archaeology

radio cassette

TechnologyB1

Meaning: A portable audio device that plays cassette tapes and has a radio tuner.

Part of speech: noun

Example: I listened to my favorite songs on my radio cassette while driving.

Category: Technology › Audio Equipment

radio telephone

TechnologyB2

Meaning: A telephone that transmits voice signals via radio waves.

Part of speech: noun

Example: The ship used a radio telephone to communicate with the coast guard.

Category: Technology › Communication Devices

radio telescope

ScienceC2

Meaning: An instrument used to detect radio waves from astronomical objects.

Part of speech: noun

Example: The radio telescope discovered new pulsars in the galaxy.

Category: Science › Astronomy

radioactive

ScienceB2

Meaning: emitting radiation

Part of speech: adjective

Example: Radioactive waste must be handled carefully.

Category: Science › Physics

Synonyms: radiating

radio-controlled

TechnologyB1

Meaning: Operated by a remote control using radio signals.

Part of speech: adjective

Example: He flew his radio-controlled airplane at the park.

Category: Technology › Remote Devices

radiographer

MedicineB2

Meaning: A healthcare professional who performs radiographic imaging.

Part of speech: noun

Example: The radiographer took my X-ray quickly and efficiently.