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[uh-rab-uh-nohs, ar-uh-buh-] /əˈræb əˌnoʊs, ˈær ə bə-/
noun, Chemistry.
a white, crystalline, water-soluble solid, C 5 H 10 O 5 , obtained from plant gums or made synthetically from glucose, used chiefly as a culture medium in bacteriology.
Also called pectinose, pectin sugar.
Origin of arabinose
1880-85; arabin the soluble essence of certain gums ((gum) arab(ic)) + -in2) + -ose2
Related forms
[uh-rab-uh-nos-ik, ar-uh-buh-] /əˌræb əˈnɒs ɪk, ˌær ə bə-/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for arabinose
Historical Examples
  • This was directly established for glucose, lævulose, galactose, and arabinose .

  • On hydrolysis, it yields glucose, arabinose, and d-mandelo nitrile.

    The Chemistry of Plant Life Roscoe Wilfred Thatcher
  • It is, therefore, similar to amygdalin, except that one glucose molecule is replaced by arabinose.

    The Chemistry of Plant Life Roscoe Wilfred Thatcher
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: C5H10O5
Word Origin
C19: from arabin (from (gum) arab(ic) + -in) + -ose²
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
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