fluid

noun
/ˈfluːɪd/

Etymology

Etymology tree Proto-Indo-European *bʰel-der. Proto-Indo-European *bʰlewH-der. Proto-Indo-European *bʰluH-yé-ti? Latin fluō Proto-Indo-European *dʰeh₁-der. Proto-Italic *-iðos Latin -idus Latin fluidusder. Middle English fluid English fluid 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.

  1. derived from *bʰleh₁- — “to swell; surge; overflow; run
  2. derived from fluō — “to flow
  3. derived from fluidus — “flowing; fluid
  4. inherited from fluid

Definitions

  1. Any substance which can flow with relative ease, tends to assume the shape of its…

    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.

    • An extreme version of vorticity is a vortex. The vortex is a spinning, cyclonic mass of fluid, which can be observed in the rotation of water going down a drain, as well as in smoke rings, tornados and hurricanes.
  2. A liquid (as opposed to a solid or gas).

    • 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.
    • The Doctor: Get a good night's sleep and drink plenty of fluids. / Kes: Fluids? / The Doctor: Everybody should drink plenty of fluids.
    • 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).
  3. Intravenous fluids.

  4. + 5 more definitions
    1. Of or relating to fluid.

    2. In a state of flux

      In a state of flux; subject to change.

    3. Moving smoothly, or giving the impression of a liquid in motion.

      • Tom of the fluid pelvis, undulating about the living room in defiance of Michael's taboo on sensuality.
    4. Convertible into cash.

    5. Genderfluid.

      • Oh, Loki made sure of that. My mortal parents blamed him for the way I was, for being fluid.
      • As do renewals in genres such as romcoms and teen movies, which have updated sexist, heteronormative tropes to reflect audiences’ fluid, inclusive, queer realities.

The neighborhood

Vish — recursive loop

A definitional loop anchored at fluid. Each word in the ring is defined by the next; follow the chain far enough and it folds back on itself. Scroll to it and watch.

01fluid02ease03easily04difficulty05drowning06drowned07drown

A definitional loop anchored at fluid. Each word in the ring appears in the definition of the next; follow the chain far enough and it folds back on itself.

7 hops · closes at fluid

curated · pre-corpus. live cycle detection across the full graph is the next major milestone.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA