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radioactive substance
nucl.pow.	radioaktiver Stoff
radioactive substances
chem.	radioaktive Stoffe
radioactive substance Any substance that contains one or more radionuclides of which the activity or the concentration cannot be disregarded as far as radiation protection is concerned
environ.	Radioaktive Substanz

radioactive substance: 21 phrases in 10 subjects

Alternative dispute resolution	1
Criminal law	2
Electronics	4
Environment	5
Foreign trade	2
General	1
Law	3
Medical	1
Natural resourses and wildlife conservation	1
Nuclear physics	1