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shock wave
(Encyclopedia)shock wave, wave formed of a zone of extremely high pressure within a fluid, especially the atmosphere, that propagates through the fluid at a speed in excess of the speed of sound. A shock wave is ca...dog racing
(Encyclopedia)dog racing, trials of speed between dogs. Now contested on oval tracks, the sport developed from the ancient practice of coursing, in which specially trained dogs chase game animals in the open field....mule, in zoology
(Encyclopedia)mule, hybrid offspring of a male donkey (see ass) and a female horse, bred as a work animal. The name is also sometimes applied to the hinny, the offspring of a male horse and female donkey; hinnies a...coyote
(Encyclopedia)coyote kīˈōt, kīōˈtē [key] or prairie wolf, small, swift wolf, Canis latrans, native to W North America. Historically found in deserts, prairies, open woodlands, and brush country, it is increa...gazelle
(Encyclopedia)gazelle, name for the many species of delicate, graceful antelopes of the genera Gazella, Eudorcas, and Nanger, inhabiting arid, open country. Most gazelles are found only in Africa, but several speci...gibbon
(Encyclopedia)gibbon, small ape, family Hylobatidae, found in the forests of SE Asia. The gibbons are known as the small, or lesser, apes; they are the most highly adapted of the apes to arboreal life. They are hig...barnacle
(Encyclopedia)barnacle, common name of the sedentary crustacean animals constituting the infraclass Cirripedia. Barnacles are exclusively marine and are quite unlike any other crustacean because of the permanently ...muscle
(Encyclopedia)muscle, the contractile tissue that effects the movement of and within the body. Muscle tissue in the higher animals is classified as striated, smooth, or cardiac, according to its structure and funct...polar bear
(Encyclopedia)polar bear, large white bear, Ursus maritimus, formerly Thalarctos maritimus, of the coasts of arctic North America, Asia, and Europe. Polar bears usually live on drifting pack ice, but sometimes wand...flight
(Encyclopedia) CE5 Aircraft motions and control surfaces: Yaw, or motion to the left or right, is controlled by the rudder. Pitch, or climbing or dropping, is controlled by the elevators, which move in the same d...Browse by Subject
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