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Definition of Hydrazone
1. Noun. (chemistry) any compound, of general formula R2C=NNR2, formally derived from an aldehyde or ketone by replacing the carbonyl group with =NNH2 or derivative ¹
¹ Source: wiktionary.com
Medical Definition of Hydrazone
1. A substance derived from aldehydes and ketones by reaction with hydrazine or a hydrazine derivative to give the grouping ==C==N-NH2. (05 Mar 2000)