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pitchstone

[ pich-stohn ]
/ ˈpɪtʃˌstoʊn /
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noun
a glassy volcanic rock having a resinous luster and resembling hardened pitch.
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Origin of pitchstone

1775–85; translation of German Pechstein.See pitch2, stone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use pitchstone in a sentence

British Dictionary definitions for pitchstone

pitchstone
/ (ˈpɪtʃˌstəʊn) /

noun
a dark glassy acid volcanic rock similar in composition to granite, usually intruded as dykes, sills, etc

Word Origin for pitchstone

C18: translation of German Pechstein
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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