simpsonite

Fetched 2026-10-26 (cache).

Synonyms: impsonite, simeonite, samsonite, simpsonian

Antonyms: impsonite, simeonite, samsonite, simpsonian

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|mineral}} A trigonal-pyramidal [[mineral]] containing [[aluminum]], [[hydrogen]], [[niobium]], [[oxygen]], and [[tantalum]].

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