Dictionary
vor•tic•i•ty
Pronunciation: (vôr-tis'i-tē), [key]—
n.,
—pl. -ties.
Mech.
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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.