effective dead time
121DDT — For other uses, see DDT (disambiguation). DDT …
122Federal Reserve System — FRB and FED redirect here. For other uses, see FRB (disambiguation) and FED (disambiguation). Federal Reserve System …
123Sniper — For other uses, see Sniper (disambiguation). Sniper US Army sniper team shooting from within a room in Afghanistan with M24 SWS, 19 October 2006. Occupation Names Sniper Activity …
124Ozone depletion — Image of the largest Antarctic ozone hole ever recorded (September 2006) Ozone depletion describes two distinct but related phenomena observed since the late 1970s: a steady decline of about 4% per decade in the total volume of ozone in Earth s… …
125World War I — This article is about the major war of 1914–1918. For other uses, see World War One (disambiguation) and Great War (disambiguation). World War I …
126War in Afghanistan (2001–present) — War in Afghanistan Part of the Afghan civil war and the War on Terror …
127native 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… …
128Native 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 …
