plural of xenomorph

A strange form, an alien creature. / (geology) An allotriomorph.

plural of xenomorphism

The process or result of taking a form that reflects the surrounding environment.

(petrography) Synonym of xenomorphic

(petrography, of a mineral grain) In a xenomorphous manner.

(petrography, of 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.

(science fiction, rare) science of extraterrestrial biological structures

(film studies)