trimorph

[ trahy-mawrf ]

noun

, Crystallography.

1. a substance existing in three structurally distinct forms; a trimorphous substance.
2. any of the three forms.

trimorph

/ ˈtraɪmɔːf /

noun

1. a substance, esp a mineral, that exists in three distinct forms
2. any of the forms in which such a structure exists

Word History and Origins

Origin of trimorph¹

First recorded in 1905–10, trimorph is from the Greek word trímorphos having three forms. See tri-, -morph