fluid
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fluid
- /ˈfluːɪd/ UK
- /ˈflʉwɪd/ British, Southern, Standard
- /ˈflu.ɪd/ US
- /ˈflʉːɪd/ Australia, New Zealand
- /ˈflʉ.ɪd/ Northern Ireland, Scotland
- /ˈflɪu̯.ɪd/ Wales
- /ˈfljuːɪd/ obsolete
Rhymes with -uːɪd
Where it comes from
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.
noun fluids
- 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.
- 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.
- Intravenous fluids.
adjective more fluid · most fluid
- Of or relating to fluid.
- In a state of flux; subject to change. Economics is a messy discipline: too fluid to be a science, too rigorous to be an art. Perhaps it is fitting that economists’ most-used metric, gross domestic product (GDP), is a tangle too. GDP measures the total value of output in an economic territory. Its apparent simplicity explains why it is s
- 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.
- Convertible into cash.
- Genderfluid. Oh, Loki made sure of that. My mortal parents blamed him for the way I was, for being fluid.
