noun (used with a singular verb)
an applied science dealing with the basic principles of gaseous and liquid matter.
Compare fluid dynamics.
Origin of fluid mechanics
First recorded in 1940–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for fluid mechanics
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Science definitions for fluid mechanics
The scientific study of the mechanical properties of fluids, especially their behavior when subject to internal and external forces. Compare aerodynamics hydrodynamics.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.