English to English Dictionary

Rabat

The capital city of Morocco, located on the Atlantic coast.

Rabble

A disorderly crowd, mob, or the lowest class of people.

Racer

A person, animal, or vehicle that takes part in races, especially as a profession or sport.

Radar dish

A concave, parabolic antenna used to transmit and receive radio waves for detecting the position, speed, and other characteristics of remote objects.

Radar facility

An installation equipped with radar transmitters and receivers used for detecting and tracking objects such as aircraft, ships, or weather systems.

Radar site

A designated location equipped with radar transmitters and receivers used for detecting aircraft, ships, or weather formations.

Radar station

A facility equipped with radar transmitter and receiver apparatus for detecting the position, speed, and direction of aircraft, ships, or weather formations.

Radiant flux density

The radiant flux received by a surface per unit area, typically expressed in watts per square meter.

Radiant-attenuation

The reduction in intensity or flux of radiant energy as it traverses a medium due to absorption, scattering, or geometric divergence.

Radical

Affecting the fundamental nature of something; far-reaching or thorough.

Radicalism

The beliefs or actions of people who advocate for thorough or complete political or social reform.

Radio

The transmission and reception of electromagnetic waves of radio frequency, especially those carrying sound messages.