lithologist


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li·thol·o·gy

 (lĭ-thŏl′ə-jē)
n.
1. The gross physical character of a rock or rock formation.
2. The microscopic study, description, and classification of rock.

lith′o·log′ic (lĭth′ə-lŏj′ĭk), lith′o·log′i·cal adj.
lith′o·log′i·cal·ly adv.
li·thol′o·gist n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.