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radon ['reidɔn] n
chem.	radonas
radon A radioactive gaseous element emitted naturally from rocks and minerals where radioactive elements are present. It is released in non-coal mines, e.g. tin, iron, fluorspar, uranium. Radon is an alpha particle emitter as are its decay products and has been indicted as a cause of excessive occurrence of lung cancer in uranium miners. Concern has been expressed at radon levels in some housing usually adjacent to granite rocks or old tin mining regions ['reidɔn] n
environ.	radonas
English thesaurus
Radon ['reɪdɒn, -dɑːn] abbr.
abbr., scottish	Rn
RADON ['reidɔn] n
mil.	radar beacon

radon: 9 phrases in 4 subjects

General	3
Health care	2
Mathematics	2
Scientific	2