Meaning of NITROGEN in English

NITROGEN

n. Chem. a colourless tasteless odourless gaseous element that forms four-fifths of the atmosphere and is an essential constituent of proteins and nucleic acids.

Usage:

Symb.: N.

Phrases and idioms:

nitrogen cycle the interconversion of nitrogen and its compounds, usu. in the form of nitrates, in nature. nitrogen fixation a chemical process in which atmospheric nitrogen is assimilated into organic compounds in living organisms and hence into the nitrogen cycle.

Derivatives:

nitrogenous adj.

Etymology: F nitrog{egrave}ne (as NITRO-, -GEN)

Oxford English vocab.      Оксфордский английский словарь.