irrotational

adjective
ir·​ro·​ta·​tion·​al | \ ˌir-(r)ō-ˈtā-shnəl How to pronounce irrotational (audio) , -shə-nᵊl \

Definition of irrotational

1 : not rotating or involving rotation
2 : free of vortices irrotational flow

First Known Use of irrotational

1875, in the meaning defined at sense 1

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The first known use of irrotational was in 1875

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Cite this Entry

“Irrotational.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/irrotational. Accessed 8 December 2019.

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