igneous

igneous
    adj 1: produced under conditions involving intense heat;
           "igneous rock is rock formed by solidification from a
           molten state; especially from molten magma"; "igneous
           fusion is fusion by heat alone"; "pyrogenic strata" [syn:
           {igneous}, {pyrogenic}, {pyrogenous}]
    2: produced by the action of fire or intense heat; "rocks formed
       by igneous agents" [syn: {igneous}, {eruptive}] [ant:
       {aqueous}, {sedimentary}]
    3: like or suggestive of fire; "a fiery desert wind"; "an
       igneous desert atmosphere" [syn: {fiery}, {igneous}]
    

Igneous \Ig"ne*ous\, a. [L. igneus, fr. ignis fire; allied to
   Skr. agni, Lith. ugnis, OSlav. ogne.]
   1. Pertaining to, having the nature of, fire; containing
      fire; resembling fire; as, an igneous appearance.
      [1913 Webster]

   2. (Geol.) Resulting from, or produced by, the action of
      fire; as, lavas and basalt are igneous rocks.
      [1913 Webster]