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igneous

/ˈɪɡ.ni.əs/ adjective

Latin root: igneus Wiktionary

adjective Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about igneous at Wordnik → Where our words come from →

  1. Produced under conditions involving intense heat.
    igneous rock is rock formed by solidification from a molten state; especially from molten magma
  2. Produced by the action of fire or intense heat.
    rocks formed by igneous agents
  3. Like or suggestive of fire.
    a fiery desert wind

Origin

From Latin igneus (“fiery”). By surface analysis, Latin ign- + -eous.

From Wiktionary, via Kaikki.org (CC BY-SA)