allotriomorph

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|geology}} A [[mineral]] that did not develop its otherwise typical [[external]] [[crystal]] form because of late [[crystallization]] between earlier formed crystals, typical of matrix minerals in rapidly crystallizing [[volcanic]] [[lava]]s and shallow [[igneous]] [[intrusion]]s.

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