[ sel-oh-bahy-ohs ]
/ ˌsɛl oʊˈbaɪ oʊs /


a white, crystalline, water-soluble disaccharide, C12H22O11, that is obtained by the breakdown of cellulose or lichenin and yields glucose upon hydrolysis: used chiefly in bacteriology as a reagent.


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Origin of cellobiose

First recorded in 1900–05; cell(ulose) + -o- + bi-2 + -ose2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for cellobiose

British Dictionary definitions for cellobiose


cellose (ˈsɛləʊz)

/ (ˌsɛləʊˈbaɪəʊz) /


a disaccharide obtained by the hydrolysis of cellulose by cellulase. Formula: C 12 H 22 O 11

Word Origin for cellobiose

C20: from cellulose + bi- 1 + -ose ²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012