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behavior therapy

(Encyclopedia)behavior therapy or behavior modification, in psychology, treatment of human behavioral disorders through the reinforcement of acceptable behavior and suppression of undesirable behavior. The techniqu...

Olaf I

(Encyclopedia)Olaf I (Olaf Tryggvason) ōˈläf trügˈväsōn [key], c.963–1000, king of Norway (995–1000), great-grandson of Harold I. His early life of exile and slavery is surrounded with romantic legend, a...

Papp, Joseph

(Encyclopedia)Papp, Joseph, 1921–91, American theatrical director and producer, b. Brooklyn, N.Y. as Joseph Papirofsky. Papp, a major influence in American theater, founded the nonprofit New York Shakespeare Fest...

Emecheta, Buchi

(Encyclopedia)Emecheta, Buchi bo͞oˈchē āməchāˈtə [key], 1944–2017, Nigerian novelist, b. Lagos as Florence Onye Buchi Emecheta. In 1962 she accompanied her husband to England, where she had five children....

Kikuyu

(Encyclopedia)Kikuyu kĭko͞oˈyo͞o [key], Bantu-speaking people, numbering about 6 million, forming the largest tribal group in Kenya. The Kikuyu live in the highlands NE of Nairobi. Before the British conquest t...

stalactite ornament

(Encyclopedia)stalactite ornament, type of ornament characteristic of Islamic architecture. Generally executed in wood or in plaster over a wood or brick base, it consists of little vertical polygonal or curved nic...

Store Bælt and Lille Bælt

(Encyclopedia)Store Bælt lĭlˈə [key] [Great Belt and Little Belt], two shallow straits, S Denmark, connecting the Kattegat with the Baltic Sea. The Store Bælt, c.40 mi (60 km) long and from 10 to 20 mi (16–3...

Phoronida

(Encyclopedia)Phoronida fərŏnˈədə [key], small phylum of slender, wormlike marine tube-dwellers, typically found in temperate, shallow seas. About 10 species are known. Although the body is free in the tube, t...

phosgene

(Encyclopedia)phosgene fŏsˈjēn [key], colorless poison gas, first used during World War I by the Germans (1915). When dispersed in air, the gas has the odor of new-mowed hay. The gas is highly toxic; when inhale...

Warm Springs

(Encyclopedia)Warm Springs, resort, Meriwether co., W Ga. The salutary properties of the water springing from Pine Mt. were known to Native Americans, and white settlers learned of them in the late 18th cent. By th...