[uh-rab-uh-nohs, ar-uh-buh-]
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 pectin sugar, pectinose.

1880–85; arabin the soluble essence of certain gums ((gum) arab(ic) + -in2) + -ose2

arabinosic [uh-rab-uh-nos-ik, ar-uh-buh-] , adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
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
[C19: from arabin (from (gum) arab(ic) + -in) + -ose²]

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