umptekite

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|mineral}} A [[syenitic]] [[rock]] consisting of [[microperthite]], [[arfvedsonite]], [[aegirine]] and, possibly, [[nepheline]].

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