[ uh-rab-uh-nohs, ar-uh-buh- ]
/ əˈræb əˌnoʊs, ˈær ə bə- /

noun Chemistry.

a white, crystalline, water-soluble solid, C5H10O5, obtained from plant gums or made synthetically from glucose, used chiefly as a culture medium in bacteriology.

Origin of arabinose

1880–85; arabin the soluble essence of certain gums ((gum) arab(ic)) + -in2) + -ose2
Also called pectinose, pectin sugar.


a·rab·i·nos·ic [uh-rab-uh-nos-ik, ar-uh-buh-] /əˌræb əˈnɒs ɪk, ˌær ə bə-/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for arabinose

British Dictionary definitions for arabinose

/ (əˈræbɪˌnəʊz, -ˌnəʊs) /


a pentose sugar in plant gums, esp of cedars and pines. It is used as a culture medium in bacteriology. Formula: C 5 H 10 O 5

Word Origin for arabinose

C19: from arabin (from (gum) arab (ic) + -in) + -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