spongy rubber; made by introducing air bubbles before vulcanization and used for cushioning or upholstery
an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products
an eraser made of rubber (or of a synthetic material with properties similar to rubber); commonly mounted at one end of a pencil
any of various synthetic elastic materials whose properties resemble natural rubber
returned for lack of funds
contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse
a mass of small bubbles formed in or on a liquid
a lightweight material in cellular form; made by introducing gas bubbles during manufacture
become bubbly or frothy or foaming
