microsurgeryPronunciation: /mʌɪkrə(ʊ)ˈsəːdʒ(ə)ri/Translate microsurgery | into Italian Definition of microsurgery noun [mass noun] intricate surgery performed using miniaturized instruments and a microscope. Derivatives microsurgeon noun microsurgicalPronunciation: /-ˈsəːdʒɪk(ə)l/ adjective microsurgery in other Oxford dictionaries Definition of microsurgery in the US English dictionary