fluid
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flu·id
 (flo͞o′ĭd)n.
A continuous, amorphous substance whose molecules move freely past one another and that has the tendency to assume the shape of its container; a liquid or gas.
adj.
1. Of, relating to, or characteristic of a fluid.
2. Readily reshaped; pliable.
3. Smooth and flowing; graceful: the fluid motion of a cat.
4.
a. Changing or tending to change; variable: a fluid situation fraught with uncertainty.
b. Characterized by or allowing social mobility: a fluid society.
5. Convertible into cash: fluid assets.
[From Middle English, flowing, from Old French fluide, from Latin fluidus, from fluere, to flow; see bhleu- in Indo-European roots.]
flu·id′i·ty (-ĭd′ĭ-tē), flu′id·ness n.
flu′id·ly adv.
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.
fluid
(ˈfluËɪd)n
(General Physics) a substance, such as a liquid or gas, that can flow, has no fixed shape, and offers little resistance to an external stress
adj
1. (General Physics) capable of flowing and easily changing shape
2. (General Physics) of, concerned with, or using a fluid or fluids
3. constantly changing or apt to change
4. smooth in shape or movement; flowing
[C15: from Latin fluidus, from fluere to flow]
ˈfluidal adj
ˈfluidness n
ˈfluidly, ˈfluidally adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
flu•id
(ˈflu ɪd)n.
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.
adj. 2. pertaining to a substance that easily changes its shape; capable of flowing.
3. consisting of or pertaining to fluids.
4. changing easily or readily; not fixed, stable, or rigid.
5. smooth and flowing: fluid movements.
6. convertible into cash; liquid: fluid assets.
[1595–1605; < Latin fluidus flowing freely, derivative of fluere to flow]
flu′id•al, adj.
flu′id•ly, flu′id•al•ly, adv.
flu′id•ness, n.
synonym: See liquid.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
flu·id
(flo͞o′ĭd) A substance, such as air or water, in which the atoms or molecules can freely move past one another. Fluids flow easily and take on the shape of their containers. All liquids and gases are fluids.
fluidity (flo͞o-ĭd′ĭ-tē) noun
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
fluid
1. A substance which can flow because its particles are not fixed in position. Liquids and gases are fluids.
2. A (gas or liquid) substance which takes the shape of its container.
3. Used to distinguish units of liquid (fluid) volume as opposed to dry (solid) volume.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Switch to new thesaurus
| Noun | 1. |  fluid - a substance that is fluid at room temperature and pressuresubstance - the real physical matter of which a person or thing consists; "DNA is the substance of our genes" coolant - a fluid agent (gas or liquid) that produces cooling; especially one used to cool a system by transferring heat away from one part to another; "he added more coolant to the car's radiator"; "the atomic reactor used a gas coolant"; "lathe operators use an emulsion of oil and water as a coolant for the cutting tool" filtrate - the product of filtration; a gas or liquid that has been passed through a filter ichor - (Greek mythology) the rarified fluid said to flow in the veins of the Gods liquid - a substance that is liquid at room temperature and pressure |
| 2. | fluid - continuous amorphous matter that tends to flow and to conform to the outline of its container: a liquid or a gas matter - that which has mass and occupies space; "physicists study both the nature of matter and the forces which govern it" gas - a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely liquid - fluid matter having no fixed shape but a fixed volume | |
| Adj. | 1. | fluid - subject to change; variable; "a fluid situation fraught with uncertainty"; "everything was unstable following the coup" changeful, changeable - such that alteration is possible; having a marked tendency to change; "changeable behavior"; "changeable moods"; "changeable prices" |
| 2. | fluid - characteristic of a fluid; capable of flowing and easily changing shape liquid - existing as or having characteristics of a liquid; especially tending to flow; "water and milk and blood are liquid substances" | |
| 3. | fluid - smooth and unconstrained in movement; "a long, smooth stride"; "the fluid motion of a cat"; "the liquid grace of a ballerina" graceful - characterized by beauty of movement, style, form, or execution | |
| 4. | fluid - in cash or easily convertible to cash; "liquid (or fluid) assets" disposable - free or available for use or disposition; "every disposable piece of equipment was sent to the fire"; "disposable assets" | |
| 5. | fluid - affording change (especially in social status); "Britain is not a truly fluid society"; "upwardly mobile" changeful, changeable - such that alteration is possible; having a marked tendency to change; "changeable behavior"; "changeable moods"; "changeable prices" |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
fluid
adjective
1. flowing, easy, natural, smooth, elegant, graceful, fluent, effortless, feline, sinuous long fluid dresses His painting became more fluid.
2. changeable, mobile, flexible, volatile, unstable, adjustable, fluctuating, indefinite, shifting, floating, adaptable, mercurial, protean, mutable The situation is extremely fluid.
changeable firm, fixed, definite, immobile, immutable
changeable firm, fixed, definite, immobile, immutable
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
fluid
adjective1. Changing easily, as in expression:
2. Marked by facility, especially of expression:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations
سائÙلسائÙÙ„ØŒ مائÙعسائÙÙ„ØŒ مادَّه سائÙلَهسَلÙس، رشيقغير ثابÙت، Ù…ÙتَغَيّÙر
plynulýtekutinatekutýproměnlivýfluidum
flydendegraciøsvæske
fluidineste
cseppfolyós állapotban levõfolyadék
fljótandimjúkur og òokkafullursveigjanlegurvökvi
ì•¡ì²´
dujinė medžiagaskysta medžiagaskystasskystistakumas
lÄ«gansmainÄ«gsnepastÄvÄ«gsplÅ«stoÅ¡sÅ¡Ä·idra viela
fluidum
spremenljivtekoÄina
vätska
fluid
[ˈfluːɪd]Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
fluid
[ˈfluːɪd]Collins English/French Electronic Resource. © HarperCollins Publishers 2005
fluid
n → Flüssigkeit f; loss of fluids → Flüssigkeitsverlust m; she can only take fluids → sie kann nur flüssige Nahrung zu sich (dat) → nehmen
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
fluid
[ˈfluːɪd]1. adj (substance, movement) → fluido/a; (plan, arrangements) → flessibile, elastico/a
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
fluid
(ˈfluid) noun1. a substance (liquid or gas) whose particles can move about freely.
2. any liquid substance. cleaning fluid.
adjective1. able to flow like a liquid. a fluid substance.
2. smooth and graceful. fluid movements.
3. (of arrangements, plans etc) able to be changed easily. My holiday plans are fluid.
fluˈidity nounKernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
flu·id
n. lÃquido, fluido; secreción.
English-Spanish Medical Dictionary © Farlex 2012
Collins Multilingual Translator © HarperCollins Publishers 2009
fluid
n líquido, fluido; amniotic — líquido amniótico; body — fluido or líquido corporal or del cuerpo; cerebrospinal — (CSF) líquido cefalorraquídeo (LCR); pleural — líquido pleural; seminal — líquido seminal; synovial — líquido sinovialEnglish-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.