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fluid

  • noun
  • flu·id
  • /ˈfluːɪd/

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.

Other meanings

  1. A liquid as opposed to a solid or gas.

  2. Intravenous fluids.

Kinds of fluid

  • coolant
  • liquid

Related words

  • amber fluid
  • brake fluid
  • fluid mechanics
  • superfluid
  • amniotic fluid
  • amniotic fluid embolism
  • base fluid
  • blinker fluid
  • bodily fluid
  • body fluid
  • brain fluid
  • cerebrospinal fluid

Example sentences

  • “Identity is both fluid and fixed.”

    Tatoeba · Igider · CC0

Word history

From Latin "fluō" (to flow).

Where this comes from

This definition is adapted from “fluid” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.