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umkokola

(Encyclopedia)umkokola, small, thorny S and E African tree (Dovyalis caffra, also called kei-apple), widely cultivated in its native area for the round or oval bright yellow fruits. Their juicy pulp, acid in flavor...

Castellani, Sir Aldo

(Encyclopedia)Castellani, Sir Aldo älˈdō käsˌtəläˈnē [key], 1877–1971, British-Italian bacteriologist, b. Florence, Italy. He demonstrated the cause and mode of transmission of sleeping sickness (with Si...

cat's-eye

(Encyclopedia)cat's-eye, gemstone that displays a thin band of reflected light on its surface when cut as a cabochon. Its name is derived from its supposed resemblance to the eye of a cat. The optical effect, known...

Sirisena, Maithripala

(Encyclopedia)Sirisena, Maithripala (Pallewatte Gamaralalage Maithripala Gapa Sirisena), 1951–, Sri Lankan political leader. After an early interest in the Communist party, he joined the Sri Lankan Freedom party ...

Lipton, Sir Thomas Johnstone

(Encyclopedia)Lipton, Sir Thomas Johnstone, 1850–1931, Scottish merchant and yachting enthusiast. After spending several years in the United States he returned (1869) to his native Glasgow and opened a small groc...

amethyst

(Encyclopedia)amethyst ămˈəthĭst [key] [Gr.,=non-drunkenness], variety of quartz, violet to purple in color, used as a gem. It is the most highly valued of the semiprecious quartzes. It is associated with a num...

Diego Garcia

(Encyclopedia)Diego Garcia, coral island, 11 sq mi (28 sq km). Indian Ocean, largest island of the Chagos Archipelago, SW of Sri Lanka. Part of the British Indian Ocean Territory, the island was leased (1970) to th...

nux vomica

(Encyclopedia)nux vomica nŭks vŏmˈəkə [key], bitter-tasting drug obtained from the poisonous seeds of Strychnos nux-vomica, a tree that grows in Sri Lanka, India, and N Australia. The dried seeds contain stryc...

strychnine

(Encyclopedia)strychnine strĭkˈnĭn [key], bitter alkaloid drug derived from the seeds of a tree, Strychnos nux-vomica, native to Sri Lanka, Australia, and India. It has been used as a rat poison for five centuri...

Coromandel Coast

(Encyclopedia)Coromandel Coast kŏrˌəmănˈdəl [key], east coast of Tamil Nadu and Andhra Pradesh states, SE India, stretching more than 400 mi (644 km) from Point Calimere, opposite the northern tip of Sri Lank...