pegmatite en · NOUN
Pronunciation
- (Southern-England) audio
- /ˈpɛɡmətaɪt/
Etymology
From Ancient Greek πήγνυμι (pḗgnumi, “to attach, join”) + -ite
Meanings
- (countable, uncountable) A coarsely crystalline igneous or plutonic rock composed primarily of feldspar and quartz, normally with muscovite and/or biotite mica.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| pegmatites | Number=Plur | lexicographic |
Deriveds
pegmatitic · pegmatize · pegmatoid · micropegmatite