trilinear

adjective

tri·​lin·​e·​ar (ˌ)trī-ˈli-nē-ər How to pronounce trilinear (audio)
: of, relating to, or involving three lines
trilinear coordinates

Word History

First Known Use

1715, in the meaning defined above

Time Traveler
The first known use of trilinear was in 1715

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Cite this Entry

“Trilinear.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trilinear. Accessed 13 Mar. 2025.

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