Dictionary.com
Thesaurus.com

-clase

American  

  1. 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.
-clase British  

combining form

  1. (in mineralogy) indicating a particular type of cleavage

    plagioclase
"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

Etymology

Origin of -clase

< French < Greek klásis; see -clasis

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.