The Collaborative International Dictionary
Hemimorphic
Hemimorphic \Hem`i*mor"phic\, a. [Hemi- + Gr. morfh` form.] (Crystallog.) Having the two ends modified with unlike planes; -- said of a crystal.
Wiktionary
hemimorphic
a. (context crystallography English) Having the two ends (of an axis) modified with unlike planes.