a combining form used in the formation of compound words that denote minerals with a particular cleavage, as specified by the initial element: oligoclase; plagioclase.
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Origin of -clase
<French <Greek klásis;see -clasis
Words nearby -clase
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for -clase
n combining form
(in mineralogy) indicating a particular type of cleavageplagioclase
Word Origin for -clase
via French from Greek klasis a breaking, from klan to break
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