Pronunciation: (zen"u-môr'fik, zē"nu-), [key]
1. Also,allotriomorphic. Petrog.noting or pertaining to a mineral grain that does not have its characteristic crystalline form but has a form impressed on it by surrounding grains; anhedral.
2. in an unusual form; having a strange form.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.