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gum arabic

American  

noun

  1. a water-soluble, gummy exudate obtained from the acacia tree, especially Acacia senegal, used as an emulsifier, an adhesive, in inks, and in pharmaceuticals.


gum arabic British  

noun

  1. Also called: acacia.   gum acacia.  a gum exuded by certain acacia trees, esp Acacia senegal: used in the manufacture of ink, food thickeners, pills, emulsifiers, etc

"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

gum arabic Scientific  
  1. A gum exuded by various African trees of the genus Acacia, especially A. senegal. Gum arabic is used in the preparation of pills and emulsions, in the manufacture of adhesives and candies, and as a thickener and stabilizer of colloids. Gum arabic consists mostly of a mixture of oligosaccharides and heavy glycoproteins.


Etymology

Origin of gum arabic

Middle English word dating back to 1350–1400

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Leaning on a burlap bag brimming with gum arabic, Ahmad pointed to a map on a journalist’s phone to show the circuitous path he took to get here.

From Los Angeles Times May 31, 2026

The residues are sorted, ground and mixed with a maceration of gum arabic to facilitate ignition, and with clay to slow combustion.

From Barron's Apr. 24, 2026

Color stabilizers like gum arabic and acetaldehyde are often used in red wine to preserve color.

From National Geographic Jul. 20, 2023

Global production of gum arabic is about 120,000 tonnes a year, worth $1.1 billion, according to estimates cited by Kerry Group.

From Reuters Apr. 28, 2023

A valuable gum, resembling gum arabic, is collected from the tree in Texas and Mexico.

From Webster's Unabridged Dictionary by Webster, Noah

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