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hydrogen ['haɪdrəʤ(ə)n] n
gen.	Wasserstoff m
chem.	Wasserstoff m (hydrogenium)
emerg.care	Wasserstoff m
med.	Hydrogenium n
hydrogen A flammable colourless gas that is the lightest and most abundant element in the universe. It occurs mainly in water and in most organic compounds and is used in the production of ammonia and other chemicals, in the hydrogenation of fats and oils, and in welding n
environ.	Wasserstoff m

hydrogen: 790 phrases in 50 subjects

Agriculture	7
American usage, not spelling	6
Analytical chemistry	12
Antennas and waveguides	1
Astronomy	15
Automobiles	4
Biology	2
British usage, not spelling	2
Chemistry	207
Construction	4
Earth sciences	19
Economy	1
Electrochemistry	2
Electronics	23
Energy industry	17
English	2
Environment	12
Food industry	23
Foreign trade	1
General	109
Health care	1
High energy physics	20
Hobbies and pastimes	1
Industry	2
Isolation	1
Life sciences	1
Materials science	3
Measuring instruments	5
Mechanic engineering	1
Medical	22
Medical appliances	6
Metallurgy	51
Microelectronics	1
Mining	1
Natural resourses and wildlife conservation	11
Natural sciences	4
Nuclear and fusion power	1
Nuclear physics	23
Obsolete / dated	1
Oil / petroleum	2
Optics branch of physics	19
Packaging	2
Physics	61
Research and development	2
Technology	41
Textile industry	4
Thermal Energy	1
Transport	29
Winemaking	1
Радиоактивное излучение	3