
1) Fiery 2) Formed from molten lava 3) Lava is in this category 4) Like aa 5) Like granite and basalt 6) Like obsidian 7) Like or suggestive of fire 8) Like volcanic rock 9) Like volcanic rocks 10) Of volcanic origin 11) Pyrogenic 12) Pyrogenous 13) Rock category 14) Rock classification 15) Temperature
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https://www.crosswordclues.com/clue/igneous

1) Fiery 2) Hot
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https://www.crosswordclues.com/clue/igneous

• (a.) Pertaining to, having the nature of, fire; containing fire; resembling fire; as, an igneous appearance. • (a.) Resulting from, or produced by, the action of fire; as, lavas and basalt are igneous rocks.
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http://thinkexist.com/dictionary/meaning/igneous/

Descriptive of rocks or minerals that have solidified from molten or partly molten material called magma. Igneous (Latin, ignis = a fire) rock is extrusive if it formed on the surface of the Earth or other planetary body, and intrusive if it solidified deep underground. Magma from a single ch...
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http://www.daviddarling.info/encyclopedia/I/igneous.html

Said of a rock or mineral that solidified from molten or partly molten material, (that is from magma).
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http://www.encyclo.co.uk/local/22047

Of volcanic origin.
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http://www.encyclo.co.uk/local/22291
Ig'ne·ous adjective [ Latin
igneus , from
ignis fire; allied to Sanskrit
agni , Lithuanian
ugnis , OSlav.
ogne .]
1. Pertaining to, having the nature of, fire; containing fire; resembling fire; as, an
igneous appearance.
2. (Geol.) R...
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http://www.encyclo.co.uk/webster/I/6

Term used to describe a rock or mineral that solidified from molten or partly molten material, i.e., from a magma; also used to describe processes leading to, related to, or resulting from the formation of such rocks.
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http://www.lpi.usra.edu/publications/slidesets/marslife/glossary.shtml

(L: ignis=fire) a descriptive term for rocks formed by the solidifying of magma on or beneath Earth's surface. Igneous rocks are usually crystalline.
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http://www.seafriends.org.nz/books/glossary.htm

Rock or mineral that solidified from molten or partly molten material.
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http://www.solarviews.com/eng/terms.htm

[
adj] - produced under conditions involving intense heat
Found on
http://www.webdictionary.co.uk/definition.php?query=igneous

igneous 1. Of fire, fiery; typical of fire. 2. In geology, formed by solidification from a molten or partially molten state (used of rocks or relating to rocks so formed). 3. Relating to a rock that was formed by solidification from molten or partly molten material; one of the three principal classification of rocks along with metamorphic and sedi...
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http://www.wordinfo.info/words/index/info/view_unit/1050/

said of processes involving magma and of the rocks formed by cooling and consolidation of
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https://www.encyclo.co.uk/local/20132

igneous rocks are new rocks, formed when hot magma rises up from inside the Earth and solidifies. Intrusive igneous rocks do not reach the surface, but form bodies of rock within the crust. Granite is an intrusive igneous rock. Extrusive igneous rocks are formed when the magma breaks through the crust and erupts on to the surface of the Earth. Once...
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https://www.encyclo.co.uk/local/20800
pyrogenous adjective 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`
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https://www.encyclo.co.uk/local/20974
eruptive adjective produced by the action of fire or intense heat; `rocks formed by igneous agents`
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https://www.encyclo.co.uk/local/20974

rocks that are created when molten rock cools and solidifies
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https://www.encyclo.co.uk/local/21787

One of the three great classes of rock (igneous, sedimentary and metamorphic), solidified from molten slate, as granite and lavas.
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https://www.encyclo.co.uk/local/22191

produced under conditions involving intense heat, as rocks of volcanic origin or rocks crystallized from molten magma. · of, pertaining to, or characteristic of fire.
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https://www.infoplease.com/dictionary/igneous
[Difficult words] produced by the action of fire or intense heat
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https://www.vocabulary.com/lists/675552
[Obscure words] produced by the action of fire or intense heat
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https://www.vocabulary.com/lists/675552
No exact match found.