irrotational

/ˌɪroʊˈteɪʃənəl/
adjective
  1. Describing a flow or motion in which the fluid or object does not rotate; having zero curl or vorticity.
    • Irrotational fields are important in understanding how air moves around an airplane wing.
    • The engineer designed the pipe to ensure irrotational flow, reducing energy loss.
    • In physics class, we learned that an irrotational flow means the water moves without swirling.
Antonyms
What does "irrotational" mean? | whatsthatwordmean | whatsthatwordmean