vorticity

[ vawr-tis-i-tee ]
/ vɔrˈtɪs ɪ ti /

noun, plural vor·tic·i·ties. Mechanics.

a measure of the circulation of a fluid: a quantity equal to twice the angular momentum of a particle of the fluid around which there is circulation.

Origin of vorticity

1890–95; < Latin vortic- (stem of vortex; see vortex) + -ity