Associations to the word «Radioactivity»

Wiktionary

RADIOACTIVITY, noun. Spontaneous emission of ionizing radiation as a consequence of a nuclear reaction, or directly from the breakdown of an unstable nucleus.
RADIOACTIVITY, noun. The radiation so emitted; including gamma rays, alpha particles, neutrons, electrons, positrons, etc.

Dictionary definition

RADIOACTIVITY, noun. The spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay.

Wise words

The chief virtue that language can have is clearness, and nothing detracts from it so much as the use of unfamiliar words.
Hippocrates