the GNU version of the Collaborative International Dictionary of English
adj. Of, pertaining to, or resembling, nitrogen
The Century Dictionary and Cyclopedia
Pertaining to or containing nitrogen. Also nitrogenic.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. of or relating to or containing nitrogen
Word Usage
"Proteids, because they contain the element nitrogen and the others do not, are frequently called nitrogenous, and the other two are known as non-nitrogenous substances."