nitrogen
noun/ˈnaɪ.tɹə.d͡ʒən/ · [ˈnɐɪ.t͡ʃʰɹə.d͡ʒən]
Etymology Borrowed from French nitrogène (coined by French chemist and physician Jean-Antoine Chaptal in 1790). By surface analysis, nitro- + -gen. See also niter.
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.
- Holonyms: dinitrogen, N₂, nitrogen (loose sense)
- By molar fraction, nitric oxide contains equal parts nitrogen and oxygen.
1 more example
- All life depends on nitrogen; it is the building block from which nature assembles amino acids, proteins, and nucleic acids; the genetic information that orders and perpetuates life is written in nitrogen ink.2006, Michael Pollan, The Omnivore's Dilemma, The Penguin Press, →ISBN, page 42:
2
Molecular nitrogen (diatomic nitrogen), N₂, a colorless, odorless gas at room temperature, which constitutes most of air (78% of it).
Loose but very common; even in formal use; loose but very common; even in formal use
- Meronyms: nitrogen (strict sense), N
- The air you breathe is mostly nitrogen.
2 more examples
- The truck was carrying tanks of nitrogen, so there was no fire risk. Police stated that if the truck had been carrying tanks of oxygen, as it often does, there might have been an explosion.
- Volatiles of kecap manis and its raw materials were extracted using Likens-Nickerson apparatus with diethyl ether as the extraction solvent. The extracts were then dried with anhydrous sodium sulfate, concentrated using a rotary evaporator followed by flushing using nitrogen until the volume was about 0.5 ml.1997, A. J. Taylor, D. S. Mothram, editors, Flavour Science: Recent Developments, Elsevier, →ISBN, page 63:
3
A specific nitrogen atom within a chemical formula, or a specific isotope of nitrogen.
- The two nitrogens are located next to one another on the ring.
- Synonyms
- azote, E941 when used as a packaging gas, propellant
- Derived terms
48 terms
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- Related terms
- niter, nitre, nitrate, nitric, nitride, nitrification, nitrify, nitrite, nitr-, nitro-, nitrous, aqua fortis, aqua regia, laughing gas, saltpeter, saltpetre