noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The radioactive isotope of gold, ¹⁹⁸₇₉Au, with a half-life of about 2.7 days. uncountable

Synonyms

All synonyms

radiogold

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.