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Mesozoic era
(Encyclopedia) Mesozoic eraMesozoic eramĕzˌəzōˈĭk [key] [Gr.,=middle life], major division of geologic time (see Geologic Timescale, tablegeologic timescale, table) from 65 to 225 million years ago.…goatsucker
(Encyclopedia) goatsucker, common name for nocturnal or crepuscular birds of the order Caprimulgiformes, which includes the frogmouth, the oilbird, potoos, and nightjars. Goatsuckers are medium in…Hammarskjöld, Dag
(Encyclopedia) Hammarskjöld, DagHammarskjöld, Dagdäg hämˈərshōldˌ, Swed. hämˈärshöldˈ [key], 1905–61, Swedish statesman, secretary-general of the United Nations (1953–61). He attended the…Tshombe, Moise Kapenda
(Encyclopedia) Tshombe, Moise KapendaTshombe, Moise Kapendamô-ēsˈ kəpĕnˈdä chōmˈbā [key], 1919–69, political leader in Congo (Kinshasa). He was related to the royal family of the Lunda people and…lemur
(Encyclopedia) lemurlemurlēˈmər [key], name for prosimians, or lower primates, of two related families, found only on Madagascar and adjacent islands. Lemurs have monkeylike bodies and limbs, and…meteor
(Encyclopedia) meteor, appearance of a small particle flying through space that interacts with the earth's upper atmosphere. While still outside the atmosphere, the particle is known as a meteoroid.…sonar
(Encyclopedia) sonarsonarsōˈnär [key], device used underwater for locating submerged objects and for submarine communication by means of sound waves. The term sonar is an acronym for sound navigation…cockroach
(Encyclopedia) cockroach or roach, name applied to some 4,600 species of flat-bodied, oval insects in the order Blattodea. Cockroaches have long antennae, long legs adapted to running, and a flat…pollination
(Encyclopedia) pollination, transfer of pollen from the male reproductive organ (stamen or staminate cone) to the female reproductive organ (pistil or pistillate cone) of the same or of another…Orwell, George
(Encyclopedia) Orwell, George, pseud. of Eric Arthur Blair, 1903–50, British novelist and essayist, b. Bengal, India. He is best remembered for his scathingly satirical and frighteningly political…