vortex

A whirlwind, whirlpool, or similarly moving matter in the form of a spiral or column.

(figurative) Anything that involves constant violent or chaotic activity around some centre.

(figurative) Anything that inevitably draws surrounding things into its current.

(historical) A supposed collection of particles of very subtle matter, endowed with a rapid rotary motion around an axis which was also the axis of a sun or planet; part of a Cartesian theory accounting for the formation of the universe, and the movements of the bodies composing it.

A group of vultures or buzzards.

Any of numerous species of small Turbellaria belonging to Vortex and allied genera.

To mix using a vortex mixer.