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Gas is one of the four fundamental states of matter. The others are solid, liquid, and plasma. A pure gas may be made up of individual atoms (e.g. a noble gas like neon), elemental molecules made from one type of atom (e.g. oxygen), or compound molecules made from a variety of atoms (e.g. carbon dioxide).
GAS definition: 1. a substance in a form like air that is neither solid nor liquid: 2. a substance in a form like…. Learn more.
1. : a fluid (such as air) that has neither independent shape nor volume but tends to expand indefinitely. 2. a. : a combustible gas or gaseous mixture for fuel or lighting. especially : natural gas. b. : a gaseous product of digestion. also : discomfort from this. c. : a gas or gaseous mixture used to produce anesthesia. d.
Gas definition: a substance possessing perfect molecular mobility and the property of indefinite expansion, as opposed to a solid or liquid.. See examples of GAS used in a sentence.
May 4, 2019 · A gas is defined as a state of matter consisting of particles that have neither a defined volume nor defined shape. It is one of the four fundamental states of matter, along with solids, liquids, and plasma. Under ordinary conditions, the gas state is between the liquid and plasma states.
gas noun (LIQUID FUEL) A2 [ U ] US (also formal gasoline); (UK petrol) a liquid obtained from petroleum, used especially as a fuel for cars, aircraft, and other vehicles: I'll stop and get some gas - we're running low. a gas tank / pump. the gas [ S ] mainly US.
Gas, one of the three fundamental states of matter, with distinctly different properties from the liquid and solid states. The remarkable feature of gases is that they appear to have no structure at all. They have neither a definite size nor shape, whereas ordinary solids have both a definite size.
1. a. The state of matter distinguished from the solid and liquid states by relatively low density and viscosity, relatively great expansion and contraction with changes in pressure and temperature, the ability to diffuse readily, and the spontaneous tendency to become distributed uniformly throughout any container. b.
1. the fluid form of a substance in which it can expand indefinitely and completely fill its container; form that is neither liquid nor solid; vapor. 2. any mixture of flammable gases used for lighting, heating, or cooking. 3. any gas, as nitrous oxide, used as an anesthetic. 4.
GAS definition: 1. a substance in a form like air and not solid or liquid: 2. a substance in a form like air used…. Learn more.
