| coal gas |
a gas used for lighting and heating that is produced by the distillation of bituminous coal. [2 definitions] |
| gas burner |
the nozzle at the end of a gas fixture; gas jet. |
| gas chamber |
a sealed room in which prisoners are executed by means of poisonous gas. |
| gas fitter |
a person who installs and repairs gas pipes and fixtures. |
| gas jet |
a burner, pipe, or other apertured fitting at the end of a gas fixture. [2 definitions] |
| gas main |
a large pipe that conducts gas into smaller pipes. |
| gas mantle |
an incombustible meshwork hood for a gas jet or kerosene wick that gives off a brilliant incandescent light when a flame is lit within it. |
| gas mask |
a device worn over the face that has a built-in chemical air filter to protect the wearer from inhaling poisonous gases or noxious fumes. |
| gas plant |
see "dittany." |
| gas station |
a place where gas, oil, and other supplies for running a car can be bought; filling station; service station. |
| greenhouse gas |
any atmospheric gas that absorbs and emits radiant energy and contributes to the greenhouse effect. |
| inert gas |
any of a group of chemical elements, such as helium and neon, that seldom form compounds with other elements and that are gases at room temperature. |
| laughing gas |
see "nitrous oxide." |
| marsh gas |
a gas, mostly methane, that is produced by the decomposition of organic matter. |
| mustard gas |
a liquid chemical-warfare agent that causes severe skin burns, damages the lungs, and can cause blindness and death. |
| natural gas |
a mixture of hydrocarbon gases occurring naturally in the earth's crust, usu. with petroleum deposits, that is used chiefly for fuel. |
| nerve gas |
any poisonous gas that attacks the nervous system. |
| poison gas |
any of various toxic gases, such as chlorine, esp. when used in warfare. |
| tear gas |
any of several chemicals that induce tears, eye irritation, or temporary blindness, used esp. in warfare or by police to quell riots. |
| tear-gas |
to hurl tear gas at, usu. in the form of grenades or projectiles. |