In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or a material medium. [1][2] This includes: Radiation is often categorized as …

Nov 4, 2025 · radiation, flow of atomic and subatomic particles and of waves, such as those that characterize heat rays, light rays, and X rays. All matter is constantly bombarded with radiation …

The meaning of RADIATION is the action or process of radiating. How to use radiation in a sentence.

Jan 25, 2023 · Radiation is energy that moves from one place to another in a form that can be described as waves or particles. We are exposed to radiation in our everyday life. Some of the …

Radiation is energy given off by matter in the form of rays or high-speed particles. All matter is composed of atoms. Atoms are made up of various parts; the nucleus contains minute …

Aug 30, 2025 · In physics, radiation is defined as the emission and propagation of energy through space or a material medium, in the form of waves or subatomic particles. This energy can take …

Sep 10, 2025 · Radiation is energy. It can come from unstable atoms that undergo radioactive decay, or it can be produced by machines. Radiation travels from its source in the form of …

(the sending out of) heat, light, or energy in waves: solar radiation (Definition of radiation from the Cambridge Academic Content Dictionary © Cambridge University Press)

Radiation definition: the process in which energy is emitted as particles or waves.. See examples of RADIATION used in a sentence.

Radiation is energy that comes from a source, travels through space and may be able to penetrate various materials.