vortex, vortĭcōsus, vorto, etc., v. vert-.
·noun Any one of numerous species of small Turbellaria belonging to Vortex and allied genera. ·see I...
Webster's Dictionary of the English Language
A whirlwind, or sudden, rapid, or violent motion of air or water in gyres or circles. ...
The Sailor's Word-Book
·add. ·- A vortex tube of infinitesimal cross section. ...
·add. ·- The region immediately surrounding a disk moving flatwise through air; — so called because...
·add. ·- A line, within a rotating fluid, whose tangent at every point is the instantaneous axis of ...
·add. ·- A ring-shaped mass of moving fluid which, by virtue of its motion of rotation around an axi...
·add. ·- The theory, advanced by Thomson (Lord Kelvin) on the basis of investigation by Helmholtz, t...
·add. ·- An imaginary tube within a rotating fluid, formed by drawing the vortex lines through all p...