secular equilibrium

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|nuclear physics}} The [[situation]] of the quantity of a [[radioisotope]] remaining constant because it is produced (by [[decay]] of a [[parent]] [[isotope]]) at the same rate that it [[decay]]s.

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