microdiscectomy UK /ˌmaɪ.kɹəʊ.dɪskˈɛk.tə.mi/US /ˌmaɪ.kɹoʊ.dɪskˈɛk.tə.mi/ noun1 •microdecompressionRichardson had a microdiscectomy to repair a herniated disk, which bothered him for most of last season. — 2007 formsmicrodiscectomies