petrographern.
/pᵻˈtrɒɡrəfə/, U.S. /pəˈtrɑɡrəfər/ An expert in or student of petrography.
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the world > the earth > earth sciences > geology > geologist > [noun] > petrologist or petrographer
lithologer1685
lithographer1686
lithologist1747
petrologist1811
petrographer1876
1876 Harper's Mag. May 818/2 Take a tiny bit of obdurate granite... The petrographer..by tedious labour would rub it down until it was as thin as this paper.
1929 G. P. Merrill Minerals from Earth & Sky i. vi. 81 The attempt recently made to classify the stony meteorites under the ‘quantitative system’ of the modern petrographers cannot be considered satisfactory.
1998 Britannica Online (Version 98.2) An accomplished mineralogist and petrographer, Törnebohm gave special attention to the iron ores of Sweden.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).
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n.1876