any tree that yields latex from which rubber is produced, especially Hevea brasiliensis, of the spurge family, native to South America, the chief commercial source of rubber.
a tropical American euphorbiaceous tree, Hevea brasiliensis, cultivated throughout the tropics, esp in Malaya, for the latex of its stem, which is the major source of commercial rubber See also Pará rubber
adjective 1. like rubber; elastic; tough. adjective 1. having the texture of or resembling rubber, esp in flexibility or toughness
noun 1. Carlo [jahr-loh;; Italian kahr-law] /ˈdʒɑr loʊ;; Italian ˈkɑr lɔ/ (Show IPA), born 1934, Italian physicist: Nobel prize 1984. Rubbia (r’bē-ə) Italian physicist who discovered the W and Z bosons that carry the weak nuclear force. The existence of these subatomic particles strongly confirmed the validity of the theory of the electroweak force. For […]
noun 1. an act or action of a person or thing that rubs. 2. an impression of an incised or sculptured surface made by laying paper over it and rubbing with heelball, graphite, or a similar substance until the image appears. verb (used with object), rubbed, rubbing. 1. to subject the surface of (a thing […]
noun 1. a poisonous solution of about 70 percent isopropyl or denatured ethyl alcohol, usually containing a perfume oil, used chiefly in massaging. rubbing alcohol noun 1. a liquid usually consisting of 70 per cent denatured ethyl alcohol, used by external application as an antiseptic or rubefacient