fluid
[ floo-id ]
/ ˈflu ɪd /
noun
a substance, as a liquid or gas, that is capable of flowing and that changes its shape at a steady rate when acted upon by a force tending to change its shape.
adjective
pertaining to a substance that easily changes its shape; capable of flowing.
consisting of or pertaining to fluids.
changing readily; shifting; not fixed, stable, or rigid: fluid movements.
convertible into cash: fluid assets.
Words nearby fluid
fluff, fluffer, fluffy, flugelhorn, flugelman, fluid, fluid balance, fluid coupling, fluid dram, fluid drive, fluid dynamics
Origin of fluid
OTHER WORDS FROM fluid
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Examples from the Web for fluid
British Dictionary definitions for fluid
fluid
/ (ˈfluːɪd) /
noun
a substance, such as a liquid or gas, that can flow, has no fixed shape, and offers little resistance to an external stress
adjective
capable of flowing and easily changing shape
of, concerned with, or using a fluid or fluids
constantly changing or apt to change
smooth in shape or movement; flowing
Derived forms of fluid
fluidal, adjectivefluidness, nounfluidly or fluidally, adverbWord Origin for fluid
C15: from Latin fluidus, from fluere to flow
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
Medical definitions for fluid
fluid
[ flōō′ĭd ]
n.
An amorphous substance whose molecules move freely past one another; a liquid or gas.
adj.
Of or characteristic of a fluid.
Other words from fluid
flu•id′i•ty (-ĭd′ĭ-tē) null n.The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for fluid
fluid
[ flōō′ĭd ]
A state of matter, such as liquid or gas, in which the component particles (generally molecules) can move past one another. Fluids flow easily and conform to the shape of their containers. See also state of matter viscosity.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for fluid
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.