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

While cosmetics and printing manufacturers may be able to use substitutes, there is no alternative to gum arabic in fizzy drinks, where it prevents ingredients from separating.

From Reuters ● Apr. 28, 2023

The medium employed is a solution of gum arabic and water, the colours being applied directly to the green shape with a brush.

From Pottery, for Artists Craftsmen & Teachers by George J. Cox