Microcrystalline
Pronunciation : Mi`cro*crys"tal*line
Part of Speech : a.
Etymology : [Micro- + crystalline.] (Crystallog.)
Definition : Defn: Crystalline on a fine, or microscopic, scale; consisting of fine crystals; as, the ground mass of certain porphyrics is microcrystalline.
Source : Webster's Unabridged Dictionary, 1913