trimorph

American  

[trahy-mawrf] / ˈtraɪ mɔrf /

noun

Crystallography.

1. a substance existing in three structurally distinct forms; a trimorphous substance.

2. any of the three forms.

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trimorph British  

/ 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

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Etymology

Origin of trimorph

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