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Diplodocus

(Encyclopedia)Diplodocus dĭplŏdˈəkəs [key] [Gr., = double beam (or rafter)], immense quadruped herbivorous dinosaur found in the late Jurassic strata of the Colorado, Utah, and Wyoming. It had a long whipl...

Gregory, Dick

(Encyclopedia)Gregory, Dick (Richard Claxton Gregory), 1932–2017, African-American civil-rights activist and comedian, b. St. Louis, Mo. A biting satirist who used the struggle for civil rights and other topical ...

evaporimeter

(Encyclopedia)evaporimeter ĭvăpˌərĭmˈətər [key], instrument that measures the rate of evaporation of water into the atmosphere, sometimes called an atmometer. Evaporimeters are of two types, those that meas...

Hergé

(Encyclopedia)Hergé, pseud. of Georges Remi, 1907–83, Belgian cartoonist, creator of the cartoon character Tintin. The boy reporter and his faithful fox terrier Milou (Snowy in English translations) first debute...

harbor seal

(Encyclopedia)harbor seal, most commonly seen seal of the Northern Hemisphere, Phoca vitulina. Harbor seals are found along coasts and in sheltered bays and harbors of North America, Europe, and NE Asia. They range...

perch

(Encyclopedia)perch, common name for some members of the family Percidae, symmetrical freshwater fishes of N Europe, Asia, and North America. The perches belong to the large order Perciformes (spiny-finned fishes) ...

yarn

(Encyclopedia)yarn, fibers or filaments formed into a continuous strand for use in weaving textiles or for the manufacture of thread. A staple fiber, such as cotton, linen, or wool, is made into yarn by carding, co...

white shark

(Encyclopedia)white shark, large, ferocious shark, Carcharodon carcharias. Also known as the great white shark and maneater, this shark can attack swimmers and boats without provocation, though it does not typicall...

rickettsia

(Encyclopedia)rickettsia rĭkĕtˈsēə [key], any of an order (Rickettsiales) of very small microorganisms, many disease-causing, that live in vertebrates and are transmitted by bloodsucking parasitic arthropods s...

lupus

(Encyclopedia)lupus lo͞oˈpəs [key], noninfectious chronic disease in which antibodies in an individual's immune system attack the body's own substances. In lupus, known medically as lupus erythematosus, antibodi...