a gum extracted from the trees of the Sterculia genus, used as a food additive and denture adhesive

locust bean gum

a heteropolysaccharide gum, extracted from the guar bean, that is used as a food additive

a polysaccharide gum produced by the bacterium Sphingomonas elodea, used as an alternative to agar, and as a food additive

(botany) A eucalyptus tree, including trees now placed in the genera Angophora and Corymbia.

Any of various eucalyptus trees that exude manna, especially Eucalyptus viminalis, found in Australia.

plural of gum tree

Any of various eucalyptus trees having blueish leaves, especially Eucalyptus globulus. / (slang, offensive) A person of sub-Saharan African origin, referring to the blue coloring around their gumline.

Eucalyptus amplifolia, a tree of Australia.

A brownish substance, very soluble in cold water, formed by heating dry starch. It corresponds in its properties to dextrin and is used in solution as a substitute for gum in stiffening goods.