osmium

Fetched 2026-10-26 (cache).

Synonyms: ostium

Antonyms: ostium

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{senseid|en|Q751}}{{lb|en|chemistry}} A chemical element (''symbol'' Os) with [[atomic number]] 76: a hard, brittle, heavy, bluish-white [[transition metal]] found as a trace element in alloys, mostly in platinum ores.

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