Macrocryst
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A relatively large crystal occurring in a mineral deposit, usually defined as one between 0.5 mm and 10 mm in size.
"The sanidines were loose macrocrysts and their difference in ages suggests that they were derived from two separate flows."
Example
More examples"The sanidines were loose macrocrysts and their difference in ages suggests that they were derived from two separate flows."
Etymology
From macro- + -cryst. First defined by Clement & Skinner in 1979 in their paper "A textural genetic classification of kimberlite rocks" published in Kimberlite Symposium IIhttp://books.google.com/books?id=QWjAHAAACAAJ.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.