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chigger

(Encyclopedia)chigger, minute, six-legged, reddish larva of the harvest mite, one of various red bugs widely distributed throughout the world and common in the S United States. Attaching itself by its mouthparts to...

Rocky Mountain spotted fever

(Encyclopedia)Rocky Mountain spotted fever, infectious disease caused by a rickettsia. The bacterium is harbored by wild rodents and other animals and is carried by infected ticks of several species that attach the...

okapi

(Encyclopedia)okapi ōkăpˈē [key], nocturnal ruminant mammal, Okapia johnstoni, of the giraffe family. It inhabits the almost sunless rain forests of the upper Congo and feeds on leaves. Its shape is reminiscent...

Noguchi, Hideyo

(Encyclopedia)Noguchi, Hideyo hēdāˈyō nōgo͞oˈchē [key], 1876–1928, Japanese bacteriologist, grad. Tokyo Medical College, 1897. He came to the United States c.1900 to work with Simon Flexner at the Univ. o...

worm lizard

(Encyclopedia)worm lizard, partially or entirely limbless burrowing lizard of the family Amphisbaenidae. All worm lizards lack hind limbs and most species lack forelimbs as well. Except for their size, they are ver...

Takada, Kenzo

(Encyclopedia)Takada, Kenzo, 1939–2020, Japanese fashion designer, the first Japanese designer to win international acclaim. In 1965 he moved to Paris, where he sold sketches to French fashion houses. Five years ...

carbon tetrachloride

(Encyclopedia)carbon tetrachloride tĕˌtrəklôrˌəmĕthˈān [key], CCl4, colorless, poisonous, liquid organic compound that boils at 76.8℃. It is toxic when absorbed through the skin or when inhaled. It react...

heart, artificial

(Encyclopedia)heart, artificial, external or surgically implanted mechanical device designed to replace a patient's diseased heart. The first one used on a human being, the Jarvik-7, was implanted (1982) in Barney ...

eel

(Encyclopedia)eel, common name for any fish in the order Anguilliformes, and characterized by a long snakelike body covered with minute scales embedded in the skin. Eels lack the hind pair of fins, adapting them fo...

penguin

(Encyclopedia)penguin, originally the common name for the now extinct great auk of the N Atlantic and now used (since the 19th cent.) for the unrelated, generally antarctic diving birds of the Southern Hemisphere. ...