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Feb 15, 2012
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Dictionary


au•thi•gen•ic



Pronunciation: (ô"thi-jen'ik), [key]
—adj. Geol.
(of a constituent of a rock) formed in the rock where it is found. Cf. allogenic (def. 1).

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

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