Definitions

from The Century Dictionary and Cyclopedia

  • n. In petrography, a dark-colored porphyry, with panidiomorphic granular texture, composed chiefly of orthoclase, with some lime-soda feldspar, and prismatic crystals of hornblende and diopside.

Etymologies

Sorry, no etymologies found.

Examples

Sorry, no example sentences found.

Wordnik is becoming a not-for-profit! Read our announcement here.

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.