decay time

Fetched 2026-10-26 (cache).

Synonyms: delay time, dead time

Antonyms: delay time, dead time

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|physics}} The [[amount]] of [[time]] [[require]]d for a [[collection]] of [[atom]]s of a [[specific]] [[radionuclide]] to [[decay]] to a [[fraction]] of the [[initial]] [[number]], [[equivalent]] to ''1/e'', where ''e'' = 2.71828.

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