allotriomorphic

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective allotriomorphic is

(chemistry) allotropic.

Allotriomorph is a derived term of allotriomorphic.

In geology terms the difference between allotriomorphic and allotriomorph

is that allotriomorphic is xenomorphic while allotriomorph is a mineral that did not develop its otherwise typical external crystal form because of late crystallization between earlier formed crystals, typical of matrix minerals in rapidly crystallizing volcanic lavas and shallow igneous intrusions.

As an adjective allotriomorphic

is allotropic.

As a noun allotriomorph is

a mineral that did not develop its otherwise typical external crystal form because of late crystallization between earlier formed crystals, typical of matrix minerals in rapidly crystallizing volcanic lavas and shallow igneous intrusions.