rubber-growing
51Tree — /tree/, n. Sir Herbert Beerbohm /bear bohm/, (Herbert Beerbohm), 1853 1917, English actor and theater manager; brother of Max Beerbohm. * * * I Woody perennial plant. Most trees have a single self supporting trunk containing woody tissues, and in …
52Singapore — Singaporean, n., adj. /sing geuh pawr , pohr , sing euh /, n. 1. an island on the Strait of Singapore, off the S tip of the Malay Peninsula. 2. an independent republic comprising this island and a few adjacent islets: member of the Commonwealth… …
53elastomer — elastomeric /i las teuh mer ik/, adj. /i las teuh meuhr/, n. Chem. an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene. [1935 40; ELAST(IC) + O + Gk méros a part] * * * ▪ chemical… …
54Economic history of Brazil — The economic history of Brazil covers various economic events and traces the changes in the Brazilian economy over the course of the history of Brazil. Portugal, which first colonized the area in the 16th century, enforced a colonial pact with… …
55materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …
56aerospace industry — Introduction assemblage of manufacturing concerns that deal with vehicular flight within and beyond the Earth s atmosphere. (The term aerospace is derived from the words aeronautics and spaceflight.) The aerospace industry is engaged in the …
57Chain transfer — is a polymerization reaction by which the activity of a growing polymer chain is transferred to another molecule.[1][2] P• + XR → PX + R • Chain transfer reactions reduce the average molecular weight of the final polymer. Chain transfer can be… …
58Congo Free State Propaganda War — The Congo Free State Propaganda War (1884–1912) occurred during the era when European Imperialism was at its greatest height. Demand for oriental goods remained the driving force behind European imperialism, and (with the important exception of… …
59History of slavery — The history of slavery uncovers many different forms of human exploitation across many cultures throughout history. Slavery, generally defined, refers to the systematic exploitation of labor traced back to the earliest records, such as the Code… …
60Angola — Angolan, adj., n. /ang goh leuh/, n. a republic in SW Africa: formerly an overseas province of Portugal; gained independence Nov. 11, 1975. 10,623,994; 481,226 sq. mi. (1,246,375 sq. km). Cap.: Luanda. Formerly, Portuguese West Africa. * * *… …
