(inorganic chemistry) The divalent radical and functional group -NHNH- derived from hydrazine, and N-substituted derivatives.

plural of hydrazo

(inorganic chemistry) Of or pertaining to hydrazoic acid

plural of hydrazoate

(obsolete) azide

(inorganic chemistry) The poisonous and explosive compound HN₃

(organic chemistry) An amidrazone.

(chemistry) a hydrazidine

(chemistry) any compound formally derived from an oxoacid by replacing the =O with =NNR₂

(organic chemistry) any compound, of general formula R₂C=NNR₂, formally derived from an aldehyde or ketone by replacing the carbonyl group with =NNH₂ or derivative