petralogy
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Petralogy — Pe*tral o*gy, n. See {Petrology}. [1913 Webster] … The Collaborative International Dictionary of English
-logy — Ologies redirects here. For series of fantasy books by Dugald Steer, see Ologies (series). logy is a suffix in the English language, used with words originally adapted from Ancient Greek language ending in λογία ( logia).[1] The earliest English… … Wikipedia
petrology — 1811 (erroneously as petralogy), from L. petra “rock” + OLOGY (Cf. ology) … Etymology dictionary
