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isotopes adj.
radiol.	isotopes
isotope adj.
el., engl.	isotope
environ.	isotope One or two or more atoms with the same atomic number that contain different numbers of neutrons

isotopes: 224 phrases in 25 subjects

Analytical chemistry	3
Antennas and waveguides	1
Astronomy	1
Chemistry	12
Earth sciences	30
Electronics	5
Energy industry	1
Environment	2
Finances	1
Food industry	1
General	8
Health care	3
Life sciences	2
Measuring instruments	2
Medical	8
Medical appliances	7
Name of organization	4
Natural resourses and wildlife conservation	1
Natural sciences	7
Nuclear physics	17
Physical sciences	11
Technology	10
United Nations	2
Дозиметрия	1
Радиоактивное излучение	84