Definition of irrotational in English:

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Pronunciation: /ˌɪrəʊˈteɪʃ(ə)n(ə)l/


(Especially of fluid motion) not rotational; having no rotation.
Example sentences
  • The fluid is irrotational at all points, except next to a vortex street wake behind the fish.
  • In essence, 3D flows can be considered as complex combinations of irrotational and rotational strains that vary in space with time.
  • In addition, the postulated role of vorticity production near the head is at variance with inviscid, irrotational models.

For editors and proofreaders

Line breaks: ir|rota¦tion¦al

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