Medical Dictionary


noun phe·nyl·hy·dra·zine \ˌfen-əl-ˈhī-drə-ˌzēn, ˌfēn-\

Medical Definition of phenylhydrazine

  1. :  a toxic liquid nitrogen base C6H8N2 that reacts with aldehydes and ketones to form compounds useful in the identification of sugars

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