Meanings
nounporphyroblast (plural porphyroblasts)
plural porphyroblasts
- geographyA relatively large crystal within a metamorphic rock
Cite this entry
APA
porphyroblast. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/porphyroblast
MLA
“porphyroblast.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/porphyroblast. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “porphyroblast,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/porphyroblast.
Source: porphyroblast on Wiktionary, CC BY-SA 4.0.