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hydrogen ['haɪdrəʤ(ə)n] n
chem.	ūdeņradis (hydrogenium)
econ.	ūdeņradis
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.	ūdeņradis

hydrogen: 38 phrases in 6 subjects

Chemistry	13
Economy	1
Environment	3
Food industry	14
General	3
Transport	4