ig·ne·ous /ˈɪgniəs/
 (a.)火的,似火的,火成的
 Ig·ne·ous a.
 1. Pertaining to, having the nature of, fire; containing fire; resembling fire; as, an igneous appearance.
 2. Geol. Resulting from, or produced by, the action of fire; as, lavas and basalt are igneous rocks.
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 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: pyrogenic,
              pyrogenous]
      2: like or suggestive of fire; "the burning sand"; "a fiery
         desert wind"; "an igneous desert atmosphere" [syn: fiery]