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lungs
(Encyclopedia)lungs, elastic organs used for breathing in vertebrate animals, excluding most fish, which use gills, and a few amphibian species that respire through the skin. The word is sometimes applied to the re...koala
(Encyclopedia)koala kōäˈlə [key], arboreal marsupial, or pouched mammal, Phascolarctos cinereus, native to Australia. Although it is sometimes called koala bear, or Australian bear, and is somewhat bearlike in ...Shostakovich, Dmitri
(Encyclopedia)Shostakovich, Dmitri dyĭmēˈtrē shŏstŏkôˈvĭch [key], 1906–75, Russian composer, b. St. Petersburg. Shostakovich studied at the Leningrad Conservatory (1919–25). The early success of his Fi...measles
(Encyclopedia)measles or rubeola ro͞obēˈələ [key], highly contagious disease typically contracted during childhood, caused by a filterable virus and spread by droplet spray from the nose, mouth, and throat of ...Rift Valley fever
(Encyclopedia)Rift Valley fever, acute viral disease that affects domestic livestock and can be transmitted to humans. The disease is most common in E and S Africa, but also occurs widely in sub-Saharan Africa and ...ring, piece of jewelry
(Encyclopedia)ring, small ornamental hoop usually worn on finger or thumb, but it may be attached to the ear or the nose. Finger rings made of bronze, gold, and silver from the period c.2600–1500 b.c. have been f...pigeon
(Encyclopedia)pigeon, common name for members of the large family Columbidae, land birds, cosmopolitan in temperate and tropical regions, characterized by stout bodies, short necks, small heads, and thick, heavy pl...bromine
(Encyclopedia)bromine brōˈmēn, –mĭn [key] [Gr.,=stench], volatile, liquid chemical element; symbol Br; at. no. 35; at. wt. 79.904; m.p. –7.2℃; b.p. 58.78℃; sp. gr. of liquid 3.12 at 20℃; density of va...commedia dell'arte
(Encyclopedia)commedia dell'arte kōm-māˈdēä dĕl-lärˈtā [key], popular form of comedy employing improvised dialogue and masked characters that flourished in Italy from the 16th to the 18th cent. The impac...pipe
(Encyclopedia)pipe, hollow structure, usually cylindrical, for conducting materials. It is used primarily to convey liquids, gases, or solids suspended in a liquid, e.g., a slurry. It is also used as a conduit for ...Browse by Subject
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