IGNEOUS

igneous. Igneous, a. containing or emitting fire, fiery

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Ig″ne‐ous (?), a. [[L. igneus, fr. ignis fire; allied to Skr. agni, Lith. ugnis, OSlav. ogne.]] 1. 1. Pertaining to, having the nature of, fire; containing fire; resembling fire; as, an igneous appearance.
2. 2. (Geol.) Resulting from, or produced by, the action of fire; as, lavas and basalt are igneous rocks.