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gas tube

(Encyclopedia)gas tube: see electron tube.

riot-control gas

(Encyclopedia)riot-control gas: see poison gas; tear gas. ...

universal gas constant

(Encyclopedia)universal gas constant: see gas laws. ...

liquefied natural gas

(Encyclopedia)liquefied natural gas: see under natural gas. ...

nerve gas

(Encyclopedia)nerve gas, any of several poison gases intended for military use, e.g., tabun, sarin, soman, and VX. Nerve gases were first developed by Germany during World War II but were not used at that time. The...

liquefied petroleum gas

(Encyclopedia)liquefied petroleum gas or LPG, mixture of gases, chiefly propane and butane, produced commercially from petroleum and stored under pressure to keep it in a liquid state. The boiling point of liquefie...

CN (tear gas)

(Encyclopedia)CN, ordinary tear gas. The chemical name for CN is chloroacetophenone. ...

chloropicrin

(Encyclopedia)chloropicrin klōrˌəpĭkˈrĭn [key], colorless oily liquid used as a poison gas. It is a powerful irritant, causing lachrymation, vomiting, bronchitis, and pulmonary edema; lung injury from chlorop...

argon

(Encyclopedia)argon ärˈgŏn [key] [Gr.,=inert], gaseous chemical element; symbol Ar; at. no. 18; at. wt. 39.948; m.p. −189.2℃; b.p. −185.7℃; density 1.784 grams per liter at STP; valence 0. Argon is a col...

cesium

(Encyclopedia)cesium sēˈzēəm [key] [Lat.,=bluish gray], a metallic chemical element; symbol Cs; at. no. 55; at. wt. 132.90545; m.p. 28.4℃; b.p. 669.3℃; sp. gr. 1.873 at 20℃; valence +1. Cesium is a ductil...