(in mineralogy) indicating a particular type of cleavage: plagioclase
WordReference Random House Unabridged Dictionary of American English © 2026
-clase,
- Mineralogya combining form used in the formation of compound words that denote minerals with a particular cleavage, as specified by the initial element:oligoclase; plagioclase.
- Greek klásis; see -clasis
- French
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'-clase' also found in these entries (note: many are not synonyms or translations):