Meanings
nounporphyroid (countable and uncountable, plural porphyroids)
plural porphyroids
- countableuncountablechemistryA crystalline and schistose rock containing porphyritic crystals of feldspar.
Origin
Cite this entry
APA
porphyroid. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/porphyroid
MLA
“porphyroid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/porphyroid. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “porphyroid,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/porphyroid.
Source: porphyroid on Wiktionary, CC BY-SA 4.0.