Definitions for igneousˈɪg ni əs

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Random House Webster's College Dictionary

ig•ne•ousˈɪg ni əs(adj.)

  1. produced under conditions involving intense heat, as rocks of volcanic origin or rocks crystallized from molten magma.

    Category: Geology

  2. of, pertaining to, or characteristic of fire.

Origin of igneous:

1655–65; < L igneus=ign(is) fire +-eus -eous

Princeton's WordNet

  1. igneous, pyrogenic, pyrogenous(adj)

    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"

  2. igneous, eruptive(adj)

    produced by the action of fire or intense heat

    "rocks formed by igneous agents"

  3. fiery, igneous(adj)

    like or suggestive of fire

    "a fiery desert wind"; "an igneous desert atmosphere"

Wiktionary

  1. igneous(Adjective)

    Pertaining to, having the nature of fire; containing fire; resembling fire; as, an igneous appearance

  2. igneous(Adjective)

    Resulting from, or produced by, the action of great heat; with rocks, it could also mean formed from lava/magma; as, granite and basalt are igneous rocks

  3. Origin: igneus, from ignis fire; allied to Sanskrit agni, Lithuanian ugnis, Old Slavic ogne

Webster Dictionary

  1. Igneous(adj)

    pertaining to, having the nature of, fire; containing fire; resembling fire; as, an igneous appearance

  2. Igneous(adj)

    resulting from, or produced by, the action of fire; as, lavas and basalt are igneous rocks


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