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View synonyms for fluid

fluid

[ floo-id ]

noun

  1. 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

  1. pertaining to a substance that easily changes its shape; capable of flowing.
  2. consisting of or pertaining to fluids.
  3. changing readily; shifting; not fixed, stable, or rigid:

    fluid movements.

  4. convertible into cash:

    fluid assets.

fluid

/ ˈfluːɪd /

noun

  1. a substance, such as a liquid or gas, that can flow, has no fixed shape, and offers little resistance to an external stress
“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


adjective

  1. capable of flowing and easily changing shape
  2. of, concerned with, or using a fluid or fluids
  3. constantly changing or apt to change
  4. smooth in shape or movement; flowing
“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

fluid

/ flo̅o̅ĭd /

  1. 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.
  2. See also state of matter


fluid

  1. In physics , a substance that flows — usually a liquid or a gas .


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Derived Forms

  • ˈfluidal, adjective
  • ˈfluidness, noun
  • ˈfluidly, adverb
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Other Words From

  • fluid·al adjective
  • fluid·ly fluid·al·ly adverb
  • fluid·ness noun
  • non·fluid noun
  • non·fluid·ly adverb
  • un·fluid adjective
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Word History and Origins

Origin of fluid1

First recorded in 1595–1605; from Latin fluidus, equivalent to flu(ere) “to flow” + -idus adjective suffix; -id 4
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Word History and Origins

Origin of fluid1

C15: from Latin fluidus , from fluere to flow
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Synonym Study

See liquid.
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Example Sentences

They cited a fluid-dynamics simulation that showed a “massive upward transport of virus aerosol particles” during flushing, leading to large-scale virus spread indoors.

From Fortune

That’s because, he says, T-cell assays require a more complex blood sample that preserves both the serum—or fluid part of blood—and the individual blood cells.

From Fortune

These narratives underscore the fluid and transnational histories of diseases, their impact and possible cure.

Kidneys clean our blood using nephrons, which are essentially filters that let fluid and waste products through while blocking blood cells, proteins, and minerals.

The rotating flow maintains a shape where the center looks sunken as the fluid gets pushed to the outer edge.

So we know that boring down to the bedrock and pumping it full of fluid can cause earthquakes.

In Voodoo, the demarcation between life and death is more fluid; helping Voodoo followers create order out of disorder.

In other words, the omnipresent postcolonial Arab State has just about dropped dead, the times are fluid and the vacuums are many.

She is equally desirous of Levine, as animalistic and eager to consume him while sticky with sanguine fluid.

There are two economies, above ground and underground, and the boundaries at times seem fluid.

It separates into three layers upon standing—a brown deposit, a clear fluid, and a frothy layer.

One frequently wishes to ascertain the specific gravity of quantities of fluid too small to float an urinometer.

This fluid is then heated, adding crystals of sodium acetate until it becomes perfectly clear.

The clear, straw-colored fluid which is left after separation of the coagulum is called blood-serum.

Leukocytes are easily distinguished from red cells, especially when Toisson's diluting fluid is used.

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flugelmanfluid coupling