释义 |
WordReference Random House Unabridged Dictionary of American English © 2024ni•trog•e•nous (nī troj′ə nəs),USA pronunciation adj. - containing nitrogen.
Collins Concise English Dictionary © HarperCollins Publishers:: nitrogenous /naɪˈtrɒdʒɪnəs/ adj - containing nitrogen or a nitrogen compound: a nitrogenous fertilizer
WordReference Random House Learner's Dictionary of American English © 2024ni•tro•gen /ˈnaɪtrədʒən/USA pronunciation n. [uncountable]- Chemistrya colorless, odorless, gaseous element that makes up about four-fifths of the earth's atmosphere and is found in animal and vegetable tissues.
ni•trog•e•nous /naɪˈtrɑdʒənəs/USA pronunciation adj. WordReference Random House Unabridged Dictionary of American English © 2024ni•tro•gen (nī′trə jən),USA pronunciation n. [Chem.]- a colorless, odorless, gaseous element that constitutes about four-fifths of the volume of the atmosphere and is present in combined form in animal and vegetable tissues, esp. in proteins: used chiefly in the manufacture of ammonia, nitric acid, cyanide, explosives, fertilizer, dyes, as a cooling agent, etc. Symbol: N;
at. wt.: 14.0067; at. no.: 7; density: 1.2506 g/l at 0°C and 760 mm pressure.
- French nitrogène. See nitro-, -gen
- 1785–95
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