Meaning of igneous

ig•ne•ous

Pronunciation: (ig'nē-us), [key]
— adj.
  1. produced under conditions involving intense heat, as rocks of volcanic origin or rocks crystallized from molten magma.
  2. of, pertaining to, or characteristic of fire.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: