radiation

About 29.98 uses per million words.

Meaning

1. noun The shooting forth of anything from a point or surface, like diverging rays of light.

   The radiation of love from the crowd was addictive to the young singer-songwriters.

2. noun Ellipsis of electromagnetic radiation.

   heat radiation

3. noun The process of radiating waves or particles.
4. noun The transfer of energy via radiation.
5. noun Radioactive energy.
6. noun A rapid diversification of an ancestral species into many new forms.

Similar words

radioactivity light radiological x-ray ultraviolet atomic radiometric radioactive irradiation radiographic

Often followed by

therapy is and from of in to on exposure

Word family

radiational radiationless radiations radiative