Definition of arabin in US English:

arabin

(also arabine)

noun

Chemistry
historical
  • The chief soluble component of gum arabic and some other gums, consisting of a mixture of acidic polysaccharides containing arabinose units.

Origin

Mid 19th century; earliest use found in American Journal of Science. From French arabine from arab- (in gomme arabique) + -ine.

Pronunciation

arabin

/ˈarəbɪn/