[ UK /flˈuːɪd/ ]
[ US /ˈfɫuəd, ˈfɫuɪd/ ]
  1. affording change (especially in social status)
    upwardly mobile
    Britain is not a truly fluid society
    upwardly mobile
  2. smooth and unconstrained in movement
    the fluid motion of a cat
    the liquid grace of a ballerina
    a long, smooth stride
  3. in cash or easily convertible to cash
    liquid (or fluid) assets
  4. subject to change; variable
    everything was unstable following the coup
    a fluid situation fraught with uncertainty
  5. characteristic of a fluid; capable of flowing and easily changing shape
  1. a substance that is fluid at room temperature and pressure
  2. continuous amorphous matter that tends to flow and to conform to the outline of its container: a liquid or a gas
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How To Use fluid In A Sentence

  • The fluid was sucked from his lungs.
  • The excess amniotic fluid was then removed from the recipient twin sac, and antibiotics were placed into the uterine cavity to decrease the risk of infection. Twin-Twin Transfusion Syndrome (TTTS)
  • A separable reinforced concrete numerical model and fluid-solid interconnection method were used to predict the development of surface bulge in LS-DYNA.
  • The presence of small lymphocytes in serous cavity fluid can pose great difficulty in the differentiation between a low-grade lymphoproliferative disorder and reactive lymphocytosis.
  • Dysphagic patients should be fed through a nasogastric tube or percutaneous endoscopic feeding tube until it is safe to resume oral food and fluids.
  • All doctors have been doused in a variety of bodily fluids. Times, Sunday Times
  • In the cephalopoda (as also in the crustacea) the same passage serves to void the excrement and leads to the part like a uterus, for the male discharges the seminal fluid through this passage. On the Generation of Animals
  • In an act of substitution he replaces barren dryness with his fertile fluidity.
  • The food at this stage is called chyme; it is an acid and soup-like fluid -- acid through the influence of the gastric juice. Text Book of Biology, Part 1: Vertebrata
  • They occur when a layer of unconsolidated sediment is fluidized and transport of fluid and suspended grains takes place through overlying sediment to the sediment-water interface.
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