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ig•nim•brite



Pronunciation: (ig'nim-brīt"), [key]
n. Petrol.
a fine-grained volcanic rock consisting mainly of welded shards of feldspar and quartz. Also called welded tuff.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

ignescentignis fatuus

 

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