taught trajectory
51native American — native American, adj. a person born in the United States. [1835 45, Amer.] * * * ▪ indigenous peoples of Canada and United States Introduction also called American Indian, Amerindian, Amerind, Indian, Aboriginal American, or First Nation… …
52Native American — Indian (def. 1). Usage. See Indian, Eskimo. * * * ▪ indigenous peoples of Canada and United States Introduction also called American Indian, Amerindian, Amerind, Indian, Aboriginal A …
53Saturn — /sat euhrn/, n. 1. an ancient Roman god of agriculture, the consort of Ops, believed to have ruled the earth during an age of happiness and virtue, identified with the Greek god Cronus. 2. Astron. the planet sixth in order from the sun, having an …
54science, philosophy of — Branch of philosophy that attempts to elucidate the nature of scientific inquiry observational procedures, patterns of argument, methods of representation and calculation, metaphysical presuppositions and evaluate the grounds of their validity… …
55Konstantin Tsiolkovsky — Born 17 September [O.S. 5 September] …
56Arrow pushing — or electron pushing is a technique used to describe the progression of organic chemistry reaction mechanisms.[1] In using arrow pushing, curved arrows or curly arrows are superimposed over the structural formulae of reactants in a chemical… …
57Mauthner cell — The Mauthner Cells are a pair of big and easily identifiable neurons (one for each half of the body) located in the rhombomere 4 of the hindbrain in fish and amphibians that are responsible for a very fast escape reflex (in the majority of… …
58MythBusters (2007 season) — Country of origin Australia United States No. of episodes 25 (includes 4 specials) Broadcast Original channel Discovery Channel …
59Polygamy — Toba chieftain and his wives, 1892 Polygamy (from πολύς γάμος polys gamos, translated literally in Late Greek as often married )[1] is a marriage which includes more than two partners.[1] …
60Soviet Union — USSR and CCCP redirect here. For other uses, see USSR (disambiguation) and CCCP (disambiguation). Soviet redirects here. For the term itself, see Soviet (council). For other uses, see Soviet (disambiguation). Union of Soviet Socialist Republics …
