Radon
91radon — m IV, D. u, Ms. radonnie, blm chem. «(Rn) promieniotwórczy pierwiastek chemiczny z grupy helowców, o liczbie atomowej 86, gaz szlachetny stosowany w leczeniu nowotworów» ‹z n. łac.› …
92radon — reɪdÉ‘n / dÉ’n n. (Chemistry) radioactive gaseous chemical element (produced by the breakdown of radium) …
93Radon — Film de science fiction d Inoshiro Honda, avec Kenji Sahara, Yumi Shirikawa, Akihiko Hirata. Pays: Japon Date de sortie: 1956 Technique: couleurs Durée: 1 h 22 Résumé Un ingénieur découvre au fond d une mine une colonie de… …
94radon — adorn …
95radon — [ reɪdɒn] noun the chemical element of atomic number 86, a rare radioactive noble gas. (Symbol: Rn) Origin early 20th cent.: from radium (from which it is formed by radioactive decay), on the pattern of argon …
96radon — noun (U) a radioactive gas that can be dangerous in large amounts …
97radon — ra·don …
98radon — UK [ˈreɪdɒn] / US [ˈreɪdɑn] noun [uncountable] a type of radioactive gas that is produced when radium separates into the parts it is made of …
99radon — ra•don [[t]ˈreɪ dɒn[/t]] n. chem. a chemically inert, radioactive gaseous element produced by the decay of radium: emissions produced by outgassing of rock, brick, etc., are a health hazard. Symbol: Rn; at. no.: 86; at. wt.: 222 • Etymology: < …
100radon — /ˈreɪdɒn/ (say raydon) noun a rare, chemically inert, radioactive gaseous element produced in the disintegration of radium. Symbol: Rn; relative atomic mass: 222; atomic number: 86. Also, radium emanation. {rad(ium) + on, modelled on …
