Meanings
nounmegacryst (plural megacrysts)
plural megacrysts
- geographyAny crystalline grain in an igneous or metamorphic rock that is much larger than those of the surrounding matrix
Origin
Cite this entry
APA
megacryst. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/megacryst
MLA
“megacryst.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/megacryst. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “megacryst,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/megacryst.
Source: megacryst on Wiktionary, CC BY-SA 4.0.