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 ?
We have validated ecoGenesis welding for use with Versaflex CLE and Versaflex MT220 grades, providing the industry better choices for the next generation of fluid delivery products.
Ichor's primary offerings include gas and chemical delivery subsystems, collectively known as fluid delivery subsystems, which are key elements of the process tools used in the manufacturing of semiconductor devices.
The system also features pulse-free fluid delivery down to 15 [micro]L/min continuous flow.
Lot 2: maintenance of the plant: Revision motors, fluid delivery, supply and removal of activated carbon.
The built-in software capabilities reportedly reduce the potential for error by providing accurate fluid delivery.
With the ingenuity of a major manufacturer of plastics in the marine industry, we have lead the way with breakthrough transformations in rotational and blow molded fuel tanks, jerry cans, fluid delivery systems, live wells, water and waste tanks, drain pans, seat substrates, finished offshore chairs, and custom interior components.
The pump features a unique diaphragm "no-crease" shape for a long and durable life, DX70 also includes a "built in" fluid regulator as standard which ensures a constant and virtually pulse free fluid delivery, for direct feed to spray guns without the expense and complications of an additional fluid regulator or surge chamber.
Blakeman decided to call in Global Heat Transfer, who provides a range of services for the thermal fluid industry including sampling, analysis and fluid delivery as well as system "drain down", cleaning and waste management.
Add to this precise carbide placement and perimeter drilling fluid delivery and you get unmatched versatility in a single tool.
The speed and ease of accurate installation reduces labour time and skills to make the Teseo system an attractive technical and economic choice for modern compressed air and fluid delivery.
This product line is said to be the first component of a complete, phthalate-free fluid delivery packaging platform that will leverage the enhanced performance, design flexibility and systems cost benefits of TPEs vs.
Custom micro molding of medical components from Minnesota Rubber and QMR Plastics (Booth 2174) gives the medical designer greater flexibility in designing devices such as fluid delivery systems, diagnostic equipment, and endoscopic devices for minimally invasive cardiovascular and orthopedic procedures.