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Webster 1913 Edition


Fluid

Flu′id

(flū′ĭd)
,
Adj.
[L.
fluidus
, fr.
fluere
to flow: cf. F.
fluide
. See
Fluent
.]
Having particles which easily move and change their relative position without a separation of the mass, and which easily yield to pressure; capable of flowing; liquid or gaseous.

Flu′id

,
Noun.
A fluid substance; a body whose particles move easily among themselves.
Fluid dram
, or
Fluid drachm
,
a measure of capacity equal to one eighth of a fluid ounce.
Fluid ounce
.
(a)
In the United States, a measure of capacity, in apothecaries’ or wine measure, equal to one sixteenth of a pint or 29.57 cubic centimeters. This, for water, is about 1.04158 ounces avoirdupois, or 455.6 grains.
(b)
In England, a measure of capacity equal to the twentieth part of an imperial pint. For water, this is the weight of the avoirdupois ounce, or 437.5 grains.
Fluids of the body
.
(Physiol.)
The circulating blood and lymph, the chyle, the gastric, pancreatic, and intestinal juices, the saliva, bile, urine, aqueous humor, and muscle serum are the more important fluids of the body. The tissues themselves contain a large amount of combined water, so much, that an entire human body dried in vacuo with a very moderate degree of heat gives about 66 per cent of water.
Burning fluid
,
Elastic fluid
,
Electric fluid
,
Magnetic fluid
, etc.
See under
Burning
,
Elastic
, etc.

Webster 1828 Edition


Fluid

FLU'ID

,
Adj.
[L. fluidus, from fluo, to flow.] Having parts which easily move and change their relative position without separation, and which easily yield to pressure; that may flow; liquid. Water, spirit, air, are fluid substances. All bodies may be rendered fluid by heat or caloric.

FLU'ID

,
Noun.
Any substance whose parts easily move and change their relative position without separation, and which yields to the slightest pressure; a substance which flows, or which moves spontaneously on a plane with the least inclination; a liquid; liquor; opposed to a solid. Water, blood, chyle, are fluids.

Definition 2021


Fluid

Fluid

See also: fluid

German

Noun

Fluid n (genitive Fluids, plural Fluide)

  1. (physics, state of matter) fluid

Declension

fluid

fluid

See also: Fluid

English

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.
    • 2013 March 1, Frank Fish, George Lauder, “Not Just Going with the Flow”, in American Scientist, volume 101, number 2, page 114:
      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.

Translations

Derived terms

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.
    • 2013 August 3, Boundary problems”, in The Economist, volume 408, number 8847:
      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 scrutinised down to tenths of a percentage point every month.
  3. Moving smoothly, or giving the impression of a liquid in motion.
  4. (of an asset) Convertible into cash.

Translations

Related terms


Catalan

Adjective

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

  1. fluid

Noun

fluid m (plural fluids)

  1. fluid

German

Adjective

fluid (not comparable)

  1. fluid

Synonyms

Declension


Norwegian Bokmål

Noun

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

  1. a fluid

Synonyms

Derived terms

References


Norwegian Nynorsk

Noun

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

  1. a fluid

Synonyms

Derived terms

References


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.