# phenocryst

> English word · Noun

## Definitions
1. Any relatively large crystal embedded in a more fine-grained or glassy igneous rock

## Etymology
pheno- + -cryst

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/phenocryst