long-term drift
51Influenza — Flu redirects here. For other uses, see Flu (disambiguation). This article is about the disease influenza. For the family of viruses that cause the disease, see Orthomyxoviridae. Influenza Classification …
52anthropology — anthropological /an threuh peuh loj i keuhl/, anthropologic, adj. anthropologically, adv. /an threuh pol euh jee/, n. 1. the science that deals with the origins, physical and cultural development, biological characteristics, and social customs… …
53plate tectonics — plate tectonic, adj. Geol. a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past… …
54community ecology — Introduction study of the organization and functioning of communities (community), which are assemblages of interacting populations of the species living within a particular area or habitat. As populations of species interact with one …
55France — /frans, frahns/; Fr. /frddahonns/, n. 1. Anatole /ann nann tawl /, (Jacques Anatole Thibault), 1844 1924, French novelist and essayist: Nobel prize 1921. 2. a republic in W Europe. 58,470,421; 212,736 sq. mi. (550,985 sq. km). Cap.: Paris. 3.… …
56North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… …
57Marine protected area — Milford Sound, New Zealand is a Strict Marine Reserve (Category Ia) Mitre Peak, the mountain at left, rises 1,692 m (5,551 ft) above the sea.[1] Marine protected areas, like any protected area, are regions in which human activity has… …
58Ornstein–Uhlenbeck process — Not to be confused with Ornstein–Uhlenbeck operator. In mathematics, the Ornstein–Uhlenbeck process (named after Leonard Ornstein and George Eugene Uhlenbeck), is a stochastic process that, roughly speaking, describes the velocity of a massive… …
59Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …
60Sri Lanka — Sri Lankan, adj., n. /sree lahng keuh, lang keuh, shree / an island republic in the Indian Ocean, S of India: a member of the Commonwealth of Nations. 18,762,075; 25,332 sq. mi. (65,610 sq. km). Cap.: Colombo. Formerly, Ceylon. Arabic, Serendip.… …
