Columbia Encyclopedia

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chewing gum

(Encyclopedia)chewing gum, confection consisting usually of chicle, flavorings, and corn syrup and sugar (or artificial sweeteners). Prehistoric people are believed to have chewed resins. Spruce resin was chewed as...

sour gum

(Encyclopedia)sour gum: see black gum.

gum tree

(Encyclopedia)gum tree, name for the eucalyptus (see myrtle) in Australia and for several other trees, e.g., the sweet gum, of the family Hamamelidaceae (witch hazel family), and the black gum or tupelo in North Am...

black gum

(Encyclopedia)black gum, ornamental deciduous tree (Nyssa sylvatica family Nyssaceae) native to E North America. The leaves turn bright scarlet in the fall. The very tough wood was used for wheel hubs and other pur...

gum ammoniac

(Encyclopedia)gum ammoniac: see ammoniac.

gum tragacanth

(Encyclopedia)gum tragacanth: see tragacanth.

sweet gum

(Encyclopedia)sweet gum: see witch hazel.

gum, colloidal plant substance

(Encyclopedia)gum, term commonly applied to any of a wide variety of colloidal substances somewhat similar in appearance and general characteristics, exuded by or extracted from plants. In this classification, howe...

gum, in anatomy

(Encyclopedia)gum, in anatomy: see teeth.

chicle

(Encyclopedia)chicle chĭkˈəl [key], name for the gum obtained from the latex of the sapodilla tree (Manilkara zapota), a tropical American evergreen. The sapodilla (known also by many other common names) is wide...