pyrolite en · NOUN
Etymology
From pyro- + -lite.
Meanings
- (countable, uncountable) A theoretical rock considered to be the best approximation of the composition of Earth's upper mantle, generally considered to be one part tholeiitic basalt and three parts dunite.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| pyrolites | Number=Plur | lexicographic |