Definitions

from The Century Dictionary and Cyclopedia

  • n. In petrography, a name given by Rosenbusch (1887) to certain porphyries and aphanitic rocks composed of abundant hornblende and lime-soda feldspars, with augite and sometimes biotite.

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.