(chemistry, attributive) A nitrogen atom substituted for a carbon atom within a ring.

(organic chemistry) Used to form names of organic compounds where a carbon atom is replaced by a nitrogen atom

A plant of the obsolete genus Azalea.

A female given name

(organic chemistry) A nitrene.

plural of azacarbene

An insecticide of complex structure extracted from the seeds of the neem tree.

plural of azadirachtin

(organic chemistry) Any of several isomeric five-membered heterocycles having one nitrogen atom, two phosphorus atoms and two double bonds.

(organic chemistry) The triazolone herbicide 2-(2,4-dichloro-5-prop-2-ynyloxyphenyl)-5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyridin-3(2H)-one used against annual and perennial weeds.