porphyrite

noun

por·​phy·​rite

ˈpȯ(r)fəˌrīt

plural -s

1

: an Egyptian red porphyry

2

: a quartz-free porphyry whose feldspar is plagioclase

Word History

Etymology

Latin porphyrites purple colored stone, porphyry, from Greek porphyritēs (lithos), from porphyra purple + -itēs, adjective suffix

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