Definitions of igneous

1. like or suggestive of fire; " the burning sand"; " a fiery desert wind"; " an igneous desert atmosphere"

2. Pertaining to, consisting of, or resembling, fire; produced by fire.

3. Pertaining to, consisting of, or like fire: ( geol.) produced by the action of fire.

4. Pertaining to, or of, fire.

5. Pertaining to or formed by means of fire.

6. Pertaining to or consisting of fire; produced by the action of fire.

7. Containing fire; produced by fire; resulting from the action of fire, as igneous rocks.