picrite

noun

pic·​rite

ˈpiˌkrīt

plural -s

1

: a variety of olivine-diabase without feldspar

2

: a variety of often porphyritic peridotite composed of either augite or hornblende and olivine

Word History

Etymology

French, from picr- + -ite

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now