a gum exuded by certain acacia trees, esp Acacia senegal: used in the manufacture of ink, food thickeners, pills, emulsifiers, etc.
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
a hard, transparent substance secreted by various species of acacia; a viscous fluid that hardens in air and dissolves in water, forming a gluey, slightly acidic solution. Gum arabic was formerly used in many branches of industry as an adhesive, but it is losing its importance increasingly with the development of polymer production.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
gum arabic[′gəm ′ar·ə·bik]
A water-soluble gum obtained from acacia trees in Africa and Australia; produced commercially as a white powder; used in the manufacture of inks and adhesives, in textile finishing, and as the principal binder in watercolor and gouache. Also known as acacia gum; gum Kordofan; gum Senegal.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
gum arabic, acacia, gum acacia
A white, powdery, water-soluble gum, extracted from certain acacia trees; used in the manufacture of adhesives and transparent paints.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.