dictionary.pt
nitrogen
nounmasculinetechnicalcommon/ni.tɾu.ʒɨ.ni.u/ni·tro·gé·ni·o
Definition
1A chemical element that is a colorless, odorless gas, symbol N, atomic number 7, constituting about 78% of the Earth's atmosphere.
Usage examples
“Nitrogen is essential for protein synthesis in plants.”
“The air we breathe is mostly composed of nitrogen.”
Common combinations
nitrogen cyclenitrogen fixationnitrogen gas