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Definition of "vortex-motion" [vortex-motion]

  • A rotational motion of a fluid in which there is circulation about certain vortex-filaments, and no circulation except about them. (noun)

The Century Dictionary (Public Domain)

Use "vortex-motion" in a sentence
  • "But in 1858 the equations of motion of an incompressible frictionless fluid were first successfully solved by Helmholtz, and among other things he proved that, though vortex-motion could not be originated in such a fluid, yet supposing it once to exist, it would exist to all eternity and could not be diminished by any mechanical action whatever."
  • "Once admit even the most infinitesimal amount of friction, while retaining the conception of vortex-motion in a universal fluid, and the whole case is so far altered that the material atom can no longer be regarded as absolutely indestructible, but only as indefinitely enduring."
  • "The india-rubber has then what is called vortex-motion."