brotocrystal

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|mineralogy}} A [[phenocryst]] whose [[corroded]] or [[embayed]] outline proves that it was formed prior to the [[eruptive]] stage.

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