(1) Ribose. (2) As an italicized prefix to the systematic name of a monosaccharide, ribo- indicates that the configuration of a set of three consecutive, but not necessarily contiguous, CHOH (or asymmetric) groups is that of ribose; e.g., d-ribose, a trivial name, is d-ribo-pentose in systematic nomenclature. [German Ribose]
