minutely crystalline; composed of microscopic crystals.
Origin of microcrystalline
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for microcrystalline
Historical Examples of 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
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
Having a crystalline structure visible only under a microscope.
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