vorticity(redirected from Vortex-line)
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n. pl. vor·tic·i·ties
1. Physics A measure of the rate of rotational spin in a fluid.
2. Meteorology A measure of the spin of an air mass such as a low- or high-pressure weather system.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(General Physics) physics the state of a fluid in rotation
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014