- minutely crystalline; composed of microscopic crystals.
Origin of microcrystalline
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for microcrystalline
It is never found as crystals, but always as encrusting and botryoidal masses with a microcrystalline structure.
- (of a solid) composed of microscopic crystals
- Having a crystalline structure visible only under a microscope.
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