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Arras

(Encyclopedia)Arras äräsˈ [key], city, capital of Pas-de-Calais dept., and historic capital of Artois, N France, on the canalized Scarpe River. It is a communications, farm, and indu...

calcium oxide

(Encyclopedia)calcium oxide, chemical compound, CaO, a colorless, cubic crystalline or white amorphous substance. It is also called lime, quicklime, or caustic lime, but commercial lime often contains impurities, e...

Swat

(Encyclopedia)Swat swät [key], district of the Malakand division, Khyber Pakhtunkhwa (formerly North-West Frontier Province), Pakistan. Saidu Sharif is the capital. The largely inaccessible region is reached by ai...

Telangana

(Encyclopedia)Telangana, state (2011 pop. 35,286,757), 44,340 sq mi (114,840 sq km), S central India. Created in 2014 from NW Andhra Pradesh, it is bordered by Maharashtra (N), Chhattisgarh and Odisha (NE), Andhra ...

Vavilov, Nikolai Ivanovich

(Encyclopedia)Vavilov, Nikolai Ivanovich nyĭkəlīˈ ēväˈnəvĭch vəvēˈləf [key], 1887–1943?, Russian botanist and geneticist. He is reported to have died in a Soviet concentration camp after losing polit...

vegetative propagation

(Encyclopedia)vegetative propagation, the ability of plants to reproduce without sexual reproduction, by producing new plants from existing vegetative structures. Some plants, such as the Canada thistle and most ba...

Waco

(Encyclopedia)Waco wāˈkō [key], city (1990 pop. 103,590), seat of McLennan co., E central Tex., on the Brazos River, just below the mouth of the Bosque; inc. 1856. It is a rail junction and a trading, shipping, ...

Walloons

(Encyclopedia)Walloons wŏlo͞onzˈ [key], group of people living in S Belgium who traditionally spoke a dialect of French called Walloon, but who today for the most part speak standard French. The Walloons, number...

Western Cape

(Encyclopedia)Western Cape, province (2011 pop. 5,822,734), 49,986 sq mi (129,462 sq km), SW South Africa, on the Atlantic and Indian oceans. In 1994, under South Africa's post-apartheid constitution, Western Cape ...

Puntland

(Encyclopedia)Puntland, semiautonomous region (2009 est. pop. 3,900,000), c.82,050 sq mi (212,500 sq km), extreme NE Somalia. It is bordered on the N by the Gulf of Aden, on the E by the Indian Ocean, on the S by t...