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fluid

Pronunciation: /ˈfluːɪd/

The English word “fluid” has 8 meanings listed here.

noun

  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).
  3. Intravenous fluids.

adjective

  1. 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. Convertible into cash.
  5. Genderfluid.

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-, but is distantly related from English bleat.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.