Anorthite
noun
noun ·3 syllables ·Rare ·Advanced level
Definitions
Noun
- 1 A variety of plagioclase feldspar, the calcium endmember of that series. countable, uncountable
- 2 rare plagioclastic feldspar occurring in many igneous rocks wordnet
Antonyms
All antonymsEtymology
From Ancient Greek αν- (an-, “not”) + ὀρθός (orthós, “straight”) "not perpendicular; less than straight", in reference to its odd.