Porphyroid
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A crystalline and schistose rock containing porphyritic crystals of feldspar. countable, uncountable
Etymology
From porphyry + -oid.
More for "porphyroid"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.