|
Radioactivity - Dictionary Definition and Overview |
|
Radioactivity : (noun)
1: the spontaneous emission of a stream of particles or
electromagnetic rays in nuclear decay [syn: radiation]
Based on WordNet 2.0
|
|
Radio-active \Ra`di*o-ac"tive\, a. [Radio- _ active.] (Physics)
Capable of luminescence under the action of cathode rays, X
rays, or any of the allied forms of radiation. --
Ra`di*o-ac*tiv"i*ty, n.
Based on Webster's Revised Unabridged Dictionary
|
|
Radioactivity : The spontaneous disintegration of atomic nuclei.
Based on Webster's Revised Unabridged Dictionary (1913)
|
|
|
|
|
