Quick Reference
Symbol N. A colourless gaseous element that occurs in air (as dinitrogen, N2, about 78% by volume) and is an essential constituent of proteins and nucleic acids in living organisms (see nitrogen cycle).
From: nitrogen in A Dictionary of Biology »
Subjects: Science and Mathematics.
Related content in Oxford Index
Reference entries
Users without a subscription are not able to see the full content. Please, subscribe or login to access all content. subscribe or login to access all content.