: occurring in or having three distinct forms

Word History

Etymology

Greek trimorphos having three forms, from tri- + -morphos -morphous

First Known Use

1866, in the meaning defined above

Time Traveler
The first known use of trimorphic was in 1866

Browse Nearby Words

Cite this Entry

“Trimorphic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trimorphic. Accessed 7 Jul. 2026.

Medical Definition

trimorphic

adjective
: occurring in or having three distinct forms
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