Caesium
51caesium — n. soft metallic element (Chemistry) …
52caesium — [ si:zɪəm] (US cesium) noun the chemical element of atomic number 55, a soft, silvery, rare, extremely reactive metal of the alkali metal group. (Symbol: Cs) Origin C19: from L. caesius greyish blue (because it has characteristic lines in the… …
53caesium — UK [ˈsiːzɪəm] / US [ˈsɪzɪəm] noun [uncountable] chemistry a chemical element that is a metal and is used in photoelectric cells …
54caesium — cae•si•um [[t]ˈsi zi əm[/t]] n. chem. cesium …
55Caesium — Cae|si|um vgl. D✓Cäsium …
56Isotopes of caesium — Caesium (Cs) has 40 known isotopes. The atomic masses of these isotopes range from 112 to 151. Only one isotope, 133Cs, is stable. The longest lived radioisotopes are 135Cs with a half life of 2.3 million years, 137Cs with a half life of 30.1671… …
57caesium chloride — (= cesium chloride (USA) ) Salt that yields aqueous solutions of high density. When equilibrium has been established between sedimentation and diffusion during ultracentrifugation, a linear density gradient is established in which macromolecules… …
58caesium chloride — noun a chemical compound with the formula CsCl …
59caesium clock — /siziəm ˈklɒk/ (say seezeeuhm klok) noun an extremely accurate atomic clock which is used to define the standard second …
60Allium caesium —   Allium caesium …
