(gŭm )

[L. gumma, gummi, cummi fr. Gr. kommi, resin, gum]
A resinous or resin-like substance exuded by or extracted from certain plants. It is sticky when moist but hardens while drying.

acacia gum

SEE: Gum arabic.

gum arabic

A water-soluble gum exuded by various African trees of the genus Acacia, esp. A. senegal. It is composed mostly of oligosaccharides and heavy glycoproteins and is used as a thickener and stabilizer of colloids and in the manufacture of pills, emulsions, adhesives, and candies.
SYN: SEE: acacia; SEE: acacia gum; SEE: gum acacia

guar gum

A gum derived from an Asian bean (Cyamopsis tetragonoloba) and used as a food thickener, e.g., in ice cream.

karaya gum

A gum from several species of trees of the genus Sterculia, used as a thickener, an emulsifier, and a laxative.

mastic gum

An aromatic gum of the mastic tree, used as a spice, flavoring, and in medicinal preparations such as toothpaste and lotions for the hair and skin. The gum is also used in varnishes, lacquers, and adhesives.
SEE: mastic

nicotine chewing gum

The oral form of nicotine, used primarily as an aid to stop smoking.