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second

(Encyclopedia)second, abbr. sec or s, fundamental unit of time in all systems of measurement. In practical terms, the second is 1/60 of a minute, 1/3,600 of an hour, or 1/86,400 of a day. Since the length of the da...

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...

Mayotte

(Encyclopedia)Mayotte mīŏtˈ [key], island (2015 est. pop. 240,000), 144 sq mi (374 sq km), French departmental collectivity, Indian Ocean, in the Comoro chain. Mamoudzou is the capital and largest city. The land...

strangler fig

(Encyclopedia)strangler fig, common name for a number of tropical plant species, most of them are in the family Moraceae (fig family). They include the golden fig, Ficus aurea, of the SE United States. The name str...

jungle

(Encyclopedia)jungle [Hindustani jangal=desert, forest; from Skt. jangala=wasteland, uncultivated land], densest form of tropical forest (usually second growth or later) found throughout tropical lowland regions. J...

ramontchi

(Encyclopedia)ramontchi, small tree or shrub (Flacourtia indica) belonging to the family Flacourtiaceae. It is cultivated in S Asia and in other tropical regions for its large edible berries. Dark purple to black i...

forest

(Encyclopedia)forest, a dense growth of trees, together with other plants, covering a large area of land. The science concerned with the study, preservation, and management of forests is forestry. A forest is an ec...

Ross, Sir Ronald

(Encyclopedia)Ross, Sir Ronald, 1857–1932, English physician, b. Almora, India. He studied malaria in India as a member (1881–99) of the Indian Medical Service, was professor of tropical medicine at University ...

honey buzzard

(Encyclopedia)honey buzzard, common name for several medium-sized, buzzardlike hawks (genus Pernis) of Eurasia and Africa. The European honey buzzard, Pernis apivorus, is predominantly reddish brown, and its tail i...

World Health Organization

(Encyclopedia)World Health Organization (WHO), specialized agency of the United Nations, established in 1948, with its headquarters at Geneva. WHO admits all sovereign states (including those not belonging to the U...