Definition of cellobiose in US English:

cellobiose

noun

Biochemistry
  • A disaccharide consisting of two glucose units, obtained by the partial hydrolysis of cellulose. Formerly also called cellose.

Origin

Early 20th century; earliest use found in Journal of the Chemical Society. From German Cellobiose from Cello- (in Cellose) + -biose, combining form indicating a disaccharide.