radioactivity

Fetched 2026-10-26 (cache).

Synonyms: radio-activity, radio activity, radioactively, radioactivate

Antonyms: radio-activity, radio activity, radioactively, radioactivate

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{U|spontaneous}} [[emission]] of [[ionizing radiation]] as a consequence of a [[nuclear reaction]], or directly from the [[breakdown]] of an [[unstable]] [[nucleus]].
2. The radiation so emitted; including [[gamma ray]]s, [[alpha particle]]s, [[neutron]]s, [[electron]]s, [[positron]]s, etc.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.