ˈMongolo-|ˈmɒŋgələʊ| used as combining form of Mongol or Mongolian, to denote ‘partly Mongolian and partly..’ 1888A. H. Keane in Encycl.Brit. XXIV. 2/2 Mongolo-Turkic and Finno-Ugro-Samoyedo-Tungusic.1903Contemp.Rev. Aug. 190 The Mongolo-Manchurian question.