fluid

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fluid,

any substance that is able to flow. Of the four states of matterstates of matter,
forms of matter differing in several properties because of differences in the motions and forces of the molecules (or atoms, ions, or elementary particles) of which they are composed.
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, only a solidsolid,
one of the three commonly recognized states in which matter occurs, i.e., that state, as distinguished from liquid and gas, in which a substance has both a definite shape and a definite volume.
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 is not a fluid, since it has a definite shape that is not readily changed. Any liquidliquid,
one of the three commonly recognized states in which matter occurs, i.e., that state, as distinguished from solid and gas, in which a substance has a definite volume but no definite shape.
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, gasgas,
in physics, one of the three commonly recognized states of matter, the other two being solid and liquid. A substance in the gaseous state has neither definite shape nor definite volume. Like liquids, gases are fluids and assume the shape of their containers.
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, or plasmaplasma,
in physics, fully ionized gas of low density, containing approximately equal numbers of positive and negative ions (see electron and ion). It is electrically conductive and is affected by magnetic fields.
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 is classed as a fluid.

fluid

[′flü·əd]
(physics)
An aggregate of matter in which the molecules are able to flow past each other without limit and without fracture planes forming.

fluid

1. a substance, such as a liquid or gas, that can flow, has no fixed shape, and offers little resistance to an external stress
2. capable of flowing and easily changing shape
References in periodicals archive ?
The oyster fluid extract was diluted by a factor of 2 or 3 to ensure its measurement would be within the limits of the calibration curve for the zinc analysis.
You can make a homemade fluid extract of calendula by using six ounces of dried marigold flower petals to eight ounces of 180-proof grain alcohol.
830 ml of the fluid extract (FE), with 56.04 g of dried residue, was concentrated in vacuo, at 60 [degrees]C, to 50% of its volume.
Licorice can be a good choice if you are looking for a gentle laxative, again the fluid extract is ideal.
We utilized commercially available alcoholic fluid extracts, dry extracts and carbon dioxide (C[O.sub.2])-extracts.
The study will be helpful to researchers in understanding the antioxidant status of supercritical fluid extracts of coriander seeds and herb.
The drug is an intercellular and intracellular fluid extracted from a tree aged no less than 50 years, bioresonance method.
To evaluate lung toxicity, the researchers counted the number of neutrophils--white blood cells that migrate to sites of infection or injury (6)--present in lung fluid extracted from mice following exposure to the different PM extracts.
However, Masih, a sweeper at the DHQ hospital to whom Nadeem allegedly sold the fluid extracted from the spinal cords of victim women, was yet to be nominated in any of the three cases.
A favourite sweetener of clean-eating bloggers, agave nectar is made from a fluid extracted from blue agave, a native Mexican plant that is also used to make tequila.
It was found that supercritical fluid extracted essential oil possessed more acid number with a value of 1.55 as compared to other two methods i.e.