"radiation" Definition

Definitions for the word "radiation" from multiple English dictionaries.

1. n.
The act of radiating, or the state of being radiated; emission and diffusion of rays of light; beamy brightness.
Source: The 1913 Webster Unabridged Dictionary, 1913
2. n.
The shooting forth of anything from a point or surface, like the diverging rays of light; as, the radiation of heat.
Source: The 1913 Webster Unabridged Dictionary, 1913
3. n.
1 radiating or being radiated. 2 physics a emission of energy as electromagnetic waves or as moving particles. B energy transmitted in this way, esp. Invisibly. 3 (in full radiation therapy) treatment of cancer etc. Using radiation, e.g. X-rays or ultraviolet light.
Source: Oxford English Dictionary, 1884

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Additional Info
This page provides a list of definitions and meanings for "radiation" from various historical English dictionaries. By displaying multiple definitions, you can compare and contrast different meanings and nuances of a word, phrase, or slang. You can also see the changes in meaning of "radiation" over time by viewing the definitions from different dictionaries published at different times in history. The page also includes other information to help users expand their vocabulary and understand the context of the word.

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