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igneous
6 dictionary results for: Igneous
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
ig·ne·ous       [ig-nee-uhs] Pronunciation Key
–adjective
1.Geology. produced under conditions involving intense heat, as rocks of volcanic origin or rocks crystallized from molten magma.
2.of, pertaining to, or characteristic of fire.
[Origin: 1655–65; < L igneus, equiv. to ign(is) fire + -eus -eous]
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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American Heritage Dictionary - Cite This Source - Share This
ig·ne·ous       (ĭg'nē-əs)  Pronunciation Key 
adj.  
  1. Of, relating to, or characteristic of fire.
  2. Geology
    1. Formed by solidification from a molten state. Used of rocks.
    2. Of or relating to rock so formed; pyrogenic.


[From Latin igneus, from ignis, fire.]

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Online Etymology Dictionary - Cite This Source - Share This
igneous 
1664, from L. igneus "of fire, fiery," from ignis "fire," from PIE *egni- (cf. Skt. agnih "fire, sacrificial fire," O.C.S. ogni, Lith. ugnis "fire").

Online Etymology Dictionary, © 2001 Douglas Harper
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WordNet - Cite This Source - Share This
igneous

adjective
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" 
2. produced by the action of fire or intense heat; "rocks formed by igneous agents" [ant: aqueous] 
3. like or suggestive of fire; "a fiery desert wind"; "an igneous desert atmosphere" [syn: fiery] 

WordNet® 3.0, © 2006 by Princeton University.
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The American Heritage Science Dictionary - Cite This Source - Share This
igneous       (ĭg'nē-əs)  Pronunciation Key 
  1. Relating to rocks or minerals formed by the cooling and hardening of magma or molten lava. Basalt and granite are examples of igneous rocks.
  2. Relating to the processes, such as volcanism, by which such rocks and minerals form.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

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.

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

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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