- Also allotriomorphic. Petrography. 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.
- in an unusual form; having a strange form.
Origin of xenomorphic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- (of a mineral constituent of an igneous rock) not having its characteristic crystal shape because of deforming pressure from adjacent minerals