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solar energy

(Encyclopedia)solar energy, any form of energy radiated by the sun, including light, radio waves, and X rays, although the term usually refers to the visible light of the sun. Solar energy is needed by green plants...

South Australia

(Encyclopedia)South Australia, state (2016 pop. 1,676,653), 380,070 sq mi (984,381 sq km), S central Australia. It is bounded on the S by the Indian Ocean. Kangaroo Island and many smaller islands off the south coa...

Sinai

(Encyclopedia)Sinai sīˈnī [key], triangular peninsula, c.23,000 sq mi (59,570 sq km), NE Egypt. It is c.230 mi (370 km) long and 150 mi (240 km) wide and extends north into a broad isthmus linking Africa and Asi...

camel

(Encyclopedia)camel, ruminant mammal of the family Camelidae. The family consists of three genera, the true camels of Asia (genus Camelus); the wild guanaco and the domesticated alpaca and llama, all of South Ameri...

lynx

(Encyclopedia)lynx, name given to several related small, ferocious members of the cat family. All have small heads, tufted ears, and heavy bodies with long legs and short tails. All are primarily terrestrial, altho...

Chihuahua, state, Mexico

(Encyclopedia)Chihuahua chēwäˈwä [key], state, 94,831 sq mi (245,612 sq km), N Mexico, on the border of ...

Silurian period

(Encyclopedia)Silurian period sĭlo͝orˈēən, sī– [key] [from the Silures, ancient tribe of S Wales, where the period was first studied; named by the British geologist R. I. Murchison], third period of the Pal...

Sind

(Encyclopedia)Sind or Sindh sĭnd [key], province (2017 provisional pop. 47,886,051), c.50,000 sq mi (129,500 sq km), SE Pakistan, roughly coextensive with the lower Indus River valley and bounded by India on the e...

Arabia

(Encyclopedia)Arabia ərāˈbēə [key], peninsula (1991 est. pop. 35,000,000), c.1,000,000 sq mi (2,590,000 sq km), SW Asia. It is bordered on the W by the Gulf of Aqaba and the Red Sea, on the S by the Gulf of Ad...

Jerome, Saint

(Encyclopedia)Jerome, Saint jərōmˈ, jĕrˈəm [key], c.347–420?, Christian scholar, Father of the Church, Doctor of the Church. He was born in Stridon on the border of Dalmatia and Pannonia of Christian parent...