petrographicadj.
/ˌpɛtrəˈɡrafɪk/, U.S. /ˌpɛtrəˈɡræfɪk/ Of or relating to petrography.petrographic province: see province n. 7b.
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the world > the earth > earth sciences > geology > [adjective] > petrology or petrography
petrographical1651
lithological1797
petrographic1800
petrological1814
lithologic1828
lithographical1872
petrologic1879
1800 Hist. Misc. Curiosities & Rarities Nature & Art V. 308 Mineralogical Observations on Gothland, by W. Helfinger, with a petrographic Chart.
1875 tr. E. O. Schmidt Doctr. Descent & Darwinism 73 The petrographic character of the oolitic strata.
1931 H. S. Williams Bk. Marvels 100 You might find a worker..peering hour after hour through a so-called petrographic microscope.
1976 A. Rittmann & L. Rittmann Volcanoes (1978) 101 Careful petrographic study of volcanic rocks is indispensable in modern volcanology.
2000 Classical Rev. 50 235 Archaeometric techniques are applied as appropriate, such as the petrographic analyses of the storage amphorae which marked a number of the burials.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).
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adj.1800