# microphenocryst

> English word · Noun

## Definitions
1. A very small crystal in a fine-grained porphyritic rock.

## Etymology
From micro- + phenocryst.

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