The Collaborative International Dictionary
Hypocrystalline
Hypocrystalline \Hyp`o*crys"tal*line\, a. [Pref. hypo- + crystalline.] (Crystallog.) Partly crystalline; -- said of rock which consists of crystals imbedded in a glassy ground mass.
Wiktionary
hypocrystalline
a. (context geology of igneous rocks English) having both glass and crystalline components
Wikipedia
Hypocrystalline
- Redirect Crystallinity