Definitions

from The Century Dictionary.

  • noun In petrography, a fine-grained to aphanitic, porphyritic, igneous rock, composed of labradorite and hornblende, with a subordinate amount of quartz.

Etymologies

Sorry, no etymologies found.

Examples

    Sorry, no example sentences found.

Comments

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