nitrogen

名词 n.
中文释义
美 /ˈnɑɪ.tɹə.d͡ʒən/

英文释义

名词 n.
  1. The chemical element (symbol N) with an atomic number of 7 and atomic weight of 14.0067. It is a colorless and odorless gas. uncountable
    — Holonyms: dinitrogen, N₂, nitrogen (loose sense)
  2. Molecular nitrogen (diatomic nitrogen), N₂, a colorless, odorless gas at room temperature, which constitutes most of air (78% of it). uncountable
    — Meronyms: nitrogen (strict sense), N
  3. A specific nitrogen atom within a chemical formula, or a specific isotope of nitrogen. countable
    — The two nitrogens are located next to one another on the ring.

词形变化

nitrogens plural

词汇关系

近义词
azote E941 when used as a packaging gas propellant
衍生词
antinitrogen carbon-nitrogen cycle carbon-nitrogen-oxygen cycle dinitrogen hydronitrogen lean nitrogen oxide trap liquid nitrogen multinitrogen nitragin nitrian nitrogen-13 nitrogen-14 nitrogen-15 nitrogenase nitrogenate nitrogen balance nitrogen cycle nitrogen dioxide nitrogen fixation nitrogen fixer nitrogen fixing nitrogen-fixing nitrogenic nitrogen ice nitrogeniferous nitrogen inversion nitrogenise nitrogenize nitrogenization nitrogenless nitrogenlike nitrogen monoxide nitrogen mustard nitrogen narcosis nitrogenous nitrogen oxide nitrogen pentoxide nitrogen tetroxide nitrogen tribromide nitrogen trichloride nitrogen trifluoride nitrogen triiodide nitrophilous nitrox nonnitrogen organonitrogen polynitrogen radionitrogen
相关词
niter nitre nitrate nitric nitride nitrification nitrify nitrite nitr- nitro- nitrous aqua fortis aqua regia laughing gas saltpeter saltpetre

词源

Borrowed from French nitrogène (coined by French chemist and physician Jean-Antoine Chaptal in 1790). By surface analysis, nitro- + -gen. See also niter.
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