a viscous secretion of some trees and shrubs that hardens on drying but is soluble in water, and from which adhesives and other products are made
the firm area of flesh around the roots of the teeth in the upper or lower jaw
a fast-growing, hardy Tasmanian eucalyptus, widely grown in northern Europe
a firm, jelly-like, fruit-flavoured sweet made with gelatin or gum arabic
the resin of the kauri tree, used as a varnish, and often also found in fossilized form where the tree formerly grew
an Australian eucalyptus with sweet foliage which is attractive to cattle and sheep
the North American liquidambar, which yields a balsam and decorative heartwood which is marketed as satin walnut
a gum exuded by some kinds of acacia, used in the food industry and in glue and incense
a quick-drying solution of gum, chiefly used by actors to attach false hair to their faces
a substance produced by bacterial fermentation or synthetically and used in foods as a gelling agent and thickener. It is a polysaccharide composed of glucose, mannose, and glucuronic acid
clog up a mechanism and prevent it from working properly
a fine powder obtained by grinding guar seeds, which is used chiefly in the food and paper industries
a tupelo of eastern North America, with dark bark that has a deeply checkered pattern. Its bitter blue fruits are eaten by black bears and numerous species of birds
a pad or plate held in the mouth by a sports player to protect the teeth and gums
a fragrant gum resin obtained from a tropical East Asian tree, used in medicines, perfumes, and incense
a fetid gum resin obtained from the roots of the Mediterranean opopanax, used in perfumery
a gum resin obtained from the alerce (cypress) of Spain and North Africa, used in making varnish
a white or reddish plant gum, used in the food, textile, and pharmaceutical industries
an oleoresin secreted by certain trees, especially pines, and distilled to make rosin and oil of turpentine
an Australian gum tree with smooth bark and hard dark red timber