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Cs,symbol for the element cesiumcesium
[Lat.,=bluish gray], a metallic chemical element; symbol Cs; at. no. 55; at. wt. 132.90545; m.p. 28.4°C;; b.p. 669.3°C;; sp. gr. 1.873 at 20°C;; valence +1. Cesium is a ductile, soft-as-wax, silver-white metallic element. It is in Group 1 of the periodic table.
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CS,chemical compound (orthochlorobenzalmalonitrile) used in riot control and, by the military, as a harassing agent. The compound is dispersed as an aerosol or as a finely divided powder. Exposure to CS causes intense pain in the eyes and upper respiratory tract; the pain spreads to the lungs and gives the sensation of suffocation. In humid weather CS may cause severe blistering of the skin. Heavy exposure to the compound may cause serious lung damage, resulting in death. Nonetheless, CS is less toxic than many other tear gasestear gas,
gas that causes temporary blindness through the excessive flow of tears resulting from irritation of the eyes. The gas is used in chemical warfare and as a means for dispersing mobs.
..... Click the link for more information. . CS was first synthesized in the 1920s by Ben Corson and Roger Stoughton; the compound's name is derived from their initials.
1. Abbr. for “caulking seam.”
2. Abbr. for cast stone.