fluid vs uncertain what difference

what is difference between fluid and uncertain

English

Etymology

From Middle English fluid, from Latin fluidus (flowing; fluid), from Latin fluō (to flow), from Proto-Indo-European *bʰleh₁- (to swell; surge; overflow; run). Akin to Ancient Greek φλύειν (phlúein, to swell; overflow). Not related to English flow, which is a native, inherited word from *plew-.

Pronunciation

  • IPA(key): /ˈfluːɪd/
  • (obsolete) IPA(key): /ˈfljuːɪd/
  • Rhymes: -uːɪd

Noun

fluid (countable and uncountable, plural fluids)

  1. Any substance which can flow with relative ease, tends to assume the shape of its container, and obeys Bernoulli’s principle; a liquid, gas or plasma.
  2. A liquid (as opposed to a solid or gas).
    • 1992, Christopher G. Morris, Academic Press, Christopher W. Morris, Academic Press Dictionary of Science and Technology, Gulf Professional Publishing (→ISBN), page 854:
      fluid inclusion Petrology, a tiny fluid– or gas-filled cavity in an igneous rock. 1-100 micrometers in diameter, formed by the entrapment of a fluid, typically that from which the rock crystallized.
    • 2006, Jörg Fitter, Thomas Gutberlet, Neutron Scattering in Biology: Techniques and Applications, Springer Science & Business Media (→ISBN), page 236:
      For studying interfaces between solid and another solid, fluid, or gas, a sample can be oriented with its reflecting surface(s) vertical (and with the scattering plane, as defined by nominal incident and reflected wavevectors, horizontal).
    • 2011, Andrew T Raftery, Michael S. Delbridge, Marcus J. D. Wagstaff, Churchill’s Pocketbook of Surgery, International Edition E-Book, Elsevier Health Sciences (→ISBN), page 11:
      Tenderness: is the lump tender?
      Composition: is the mass solid, fluid or gas?
    • 2012, Will Pettijohn P.E.C., Oil & Gas Handbook: A Roughneck’s guide to the Universe, AuthorHouse (→ISBN), page 23:
      The choke manifold then expels the fluid or gas to the gas buster or a panic line. The panic line will then either send the fluid or gas to the reserve pit or a flare stack or flare tank.
    • For more quotations using this term, see Citations:fluid.
  3. (specifically, medicine, colloquial, typically in the plural) Intravenous fluids.

Derived terms

  • amber fluid
  • brake fluid
  • fluid mechanics
  • superfluid

Translations

Adjective

fluid (comparative more fluid, superlative most fluid)

  1. (not comparable) Of or relating to fluid.
  2. In a state of flux; subject to change.
  3. Moving smoothly, or giving the impression of a liquid in motion.
  4. (of an asset) Convertible into cash.
  5. (rare) Genderfluid.
    • 2017, Rick Riordan, Magnus Chase and the Hammer of Thor (→ISBN), page 274 (the genderfluid character Alex Fierro is speaking):
      “Oh, Loki made sure of that. My mortal parents blamed him for the way I was, for being fluid.”

Synonyms

  • (of or relating to fluid): fluidical, liquid; see also Thesaurus:fluidic
  • (subject to change): unstable, variable; see also Thesaurus:changeable
  • (moving smoothly): fluent, fluxive; see also Thesaurus:flowing or Thesaurus:runny

Translations

Related terms

  • fluctuate
  • fluctuation
  • fluency
  • fluent
  • flux
  • fluidal
  • fluidic
  • fluidics
  • fluidify
  • fluidise
  • fluidize
  • fluidity
  • fluidous
  • semifluid

References

Further reading

  • fluid in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
  • fluid in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
  • fluid at OneLook Dictionary Search

Catalan

Adjective

fluid (feminine fluida, masculine plural fluids, feminine plural fluides)

  1. fluid

Derived terms

  • fluïdesa

Noun

fluid m (plural fluids)

  1. fluid

Further reading

  • “fluid” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.
  • “fluid” in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana.
  • “fluid” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
  • “fluid” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.

German

Adjective

fluid (not comparable)

  1. fluid

Declension

Synonyms

  • flüssig

Further reading

  • “fluid” in Duden online

Norwegian Bokmål

Noun

fluid n (definite singular fluidet, indefinite plural fluid or fluider, definite plural fluida or fluidene)

  1. a fluid

Synonyms

  • væske

Derived terms

  • fluidmekanikk

References

  • “fluid” in The Bokmål Dictionary.

Norwegian Nynorsk

Noun

fluid n (definite singular fluidet, indefinite plural fluid, definite plural fluida)

  1. a fluid

Synonyms

  • væske

Derived terms

  • fluidmekanikk

References

  • “fluid” in The Nynorsk Dictionary.

Romanian

Etymology

From French fluide, from Latin fluidus.

Adjective

fluid m or n (feminine singular fluidă, masculine plural fluizi, feminine and neuter plural fluide)

  1. fluid

Declension

Related terms

  • fluiditate

Serbo-Croatian

Pronunciation

  • IPA(key): /flûiːd/
  • Hyphenation: flu‧id

Noun

flȕīd m (Cyrillic spelling флу̏ӣд)

  1. fluid

Declension


Spanish

Verb

fluid

  1. (Spain) Informal second-person plural (vosotros or vosotras) affirmative imperative form of fluir.


English

Etymology

un- +‎ certain

Pronunciation

  • IPA(key): /ʌnˈsɜːtən/
  • Rhymes: -ɜː(r)tən

Adjective

uncertain (comparative more uncertain, superlative most uncertain)

  1. Not certain; unsure.
    • 1663, John Tillotson, The Wisdom of being Religious
      Man, without the protection of a superior Being, [] is [] uncertain of everything that he hopes for.
  2. Not known for certain; questionable.
  3. Not yet determined; undecided.
  4. Variable and subject to change.
  5. Fitful or unsteady.
    • Turning back, then, toward the basement staircase, she began to grope her way through blinding darkness, but had taken only a few uncertain steps when, of a sudden, she stopped short and for a little stood like a stricken thing, quite motionless save that she quaked to her very marrow in the grasp of a great and enervating fear.
  6. Unpredictable or capricious.

Antonyms

  • certain

Related terms

  • uncertainly, uncertainty

Translations

Noun

uncertain pl (plural only)

  1. (with “the”) Something uncertain.

Anagrams

  • N Centauri, centaurin, encurtain, runcinate

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