gas

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Related to Gass: Gauss, guess, Gauß

gas,

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. Unlike liquids, they will expand to fill any container, regardless of its size. All gases condense into liquids or solids when sufficiently cooled or compressed (see compressioncompression,
external stress applied to an object or substance, tending to cause a decrease in volume (see pressure). Gases can be compressed easily, solids and liquids to a very small degree if at all.
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; condensationcondensation,
in physics, change of a substance from the gaseous (vapor) to the liquid state (see states of matter). Condensation is the reverse of vaporization, or change from liquid to gas.
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; liquefactionliquefaction,
change of a substance from the solid or the gaseous state to the liquid state. Since the different states of matter correspond to different amounts of energy of the molecules making up the substance, energy in the form of heat must either be supplied to a substance
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). Most gases first liquefy, but some pass directly into the solid state (see sublimationsublimation
, change of a solid substance directly to a vapor without first passing through the liquid state. The term is also used to describe the reverse process of the gas changing directly to the solid again upon cooling.
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); carbon dioxide, for example, can condense into dry ice. Some gases are extremely soluble in certain liquids, the liquid absorbing many times its own volume of gas. Some solids, by a process called adsorption, can take up many times their own volume of certain gases. The behavior of gases under various conditions of pressure, temperature, and volume is described by the various gas lawsgas laws,
physical laws describing the behavior of a gas under various conditions of pressure, volume, and temperature. Experimental results indicate that all real gases behave in approximately the same manner, having their volume reduced by about the same proportion of the
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. Many of the properties of gases can be understood by considering the fact that only a small part of the volume of a gas is occupied by its atoms or molecules, which are in rapid, random motion. See kinetic-molecular theory of gaseskinetic-molecular theory of gases,
physical theory that explains the behavior of gases on the basis of the following assumptions: (1) Any gas is composed of a very large number of very tiny particles called molecules; (2) The molecules are very far apart compared to their sizes,
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.

Gas

A state of matter, including natural gas and propane, used as a fuel to produce energy, generally for lighting and heating.

gas

[gas]
(materials)
(ordnance)
To expose to a war gas.
(physics)
A phase of matter in which the substance expands readily to fill any containing vessel; characterized by relatively low density.

gas

1. a substance in a physical state in which it does not resist change of shape and will expand indefinitely to fill any container. If very high pressure is applied a gas may become liquid or solid, otherwise its density tends towards that of the condensed phase
2. any substance that is gaseous at room temperature and atmospheric pressure
3. any gaseous substance that is above its critical temperature and therefore not liquefiable by pressure alone
4. 
a. a fossil fuel in the form of a gas, used as a source of domestic and industrial heat
b. (as modifier): a gas cooker
5. a gaseous anaesthetic, such as nitrous oxide
6. the usual US, Canadian, and New Zealand word for petrol, a shortened form of gasoline
7. US an informal name for flatus

gas

References in periodicals archive ?
Gass and his team regularly work on projects that have traversing elements, with a trolley running high up in the roof above the stage on two tracks, travelling on either a curved or a straight path.
Prior to joining Kohl's, Gass spent more than 16 years with Starbucks Corporation in a variety of senior leadership roles, including global strategy, marketing and category management.
The range of the novel and its operatic beauty is a wonder and enriched by Gass' ability to render a range of tones that harmonize seamlessly together." EDWARD HART
Gass, a leading expert in the field, estimates that there are more than 200 such programs nationwide.
This article aims (a) to bring the musical influence in Gass's works to the fore by examining both "A Fugue" passage from The Tunnel and The Pedersen Kid novella in compliance with Gass's conception of language and its musicality; (b) to assess ways in which texts that do not necessarily manifest a direct link to music can be given a musical reading by focusing on intermedial time patterns; (c) and to demonstrate that the musical undertext conveys symbolic, iconic or even allegorical meanings that, in the case of Gass's The Pedersen Kid allow a better understanding of initiation and rite of passage paradigms the story draws upon.
Referring to the recent rise in attacks by Afghan soldiers on ISAF soldiers , Gass said the problem of insider threats is serious one but the number of attacks on ISAF soldiers are still pretty small compared with the number of ISAF troops in the field.
In the essay that opens Life Sentences, William Gass tells us that "fine writing"--and there is none finer than his from here to Carolina--"creates a unique verbal consciousness.
Gass concluded from a meeting with local officials that Afghan forces were prepared for the challenge.
Pte van Gass - formerly of Cardiff and who trekked to the North Pole with the Walking With The Wounded charity last year - said he had the idea to fix an ice axe to a false limb, and asked some engineers at the specialist military rehabilitation centre in Surrey to build one.
"We put it up there, so we are going to bring it back down," said the centre's director Volker Gass, stressing the project's ethical component.
Newsroom names: At GateHouse's Rockford Register Star in Illinois, Doug Gass has been named executive editor; previously, he was interim executive editor for eight months.
However, Afghan veterans Captain Martin Hewitt, Captain Guy Disney, Sergeant Steve Young, and Private Jaco Van Gass are determined not to let their disabilities hold them back as they vie to complete the first unsupported trek by wounded soldiers to the North Pole.