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.

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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

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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.

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Etymology

Origin of gum arabic

Middle English word dating back to 1350–1400

Example Sentences

See Examples For:

gum arabic

Like with gold, the RSF smuggles gum arabic through border points it controls to neighboring countries, including Libya, Chad, Central African Republic and South Sudan.

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

Bear Naked chewy peanut butter and honey granola bites, also made by Kellogg, list acacia gum, another name for gum arabic, in their ingredients lists.

From Reuters ● May 4, 2023

It gives with water a somewhat stronger mucilage than gum arabic, from which it is distinguished by its clear interior, fewer cracks and greater toughness.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" by Various