troj
111ni|trog|e|nous — «ny TROJ uh nuhs», adjective. of or containing nitrogen or a compound of nitrogen: »[In one] year, slightly more than two million tons of nitrogenous fertilizers were used by the nation s farmers (Wall Street Journal) …
112non|ni|trog|e|nous — «nonml>ny TROJ uh nuhs», adjective. not containing nitrogen …
113pe|trog|e|ny — «pih TROJ uh nee», noun. = petrogenesis. (Cf. ↑petrogenesis) …