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Chhattisgarh

(Encyclopedia)Chhattisgarh, state (2001 provisional pop. 20,795,956), 52,200 sq mi (135,194 sq km), central India; created from SE Madhya Pradesh in 2000. Most of Chhattisgarh lies in the valley of the Mahanadi and...

pontoon

(Encyclopedia)pontoon, one of a number of floats used chiefly to support a bridge, to raise a sunken ship, or to float a hydroplane or a floating dock. Pontoons have been built of wood, of hides stretched over wick...

pewter

(Encyclopedia)pewter, any of a number of ductile, silver-white alloys consisting principally of tin. The properties vary with the percentage of tin and the nature of the added materials. Lead, when added, imparts a...

Trabzon

(Encyclopedia)Trabzon trĕbˈĭzŏndˌ [key], city (1990 pop. 144,805), capital of Trabzon prov., NE Turkey, a port on the Black Sea. A commercial and transportation center with renovated port facilities, it export...

Puebla, state, Mexico

(Encyclopedia)Puebla pwāˈblä [key], state (1990 pop. 4,126,101), 13,126 sq mi (33,996 sq km), E central Mexico. The city of Puebla is the capital. The state is almost entirely mountainous, with large valleys bet...

rivet

(Encyclopedia)rivet, headed metal pin or bolt whose shaft is passed through holes in two or more pieces of metal, wood, plastic, or other material in order to unite them by forming the plain end into a second head....

Negev

(Encyclopedia)Negev nĕgˈĕb [key] [Heb.,=dry], hilly desert region of S Israel, c.5,140 sq mi (13,310 sq km), bordered by the Judaean Hills, the Wadi Arabah, the Sinai peninsula, and the narrow Mediterranean coas...

solar cell

(Encyclopedia)solar cell, semiconductor devised to convert light to electric current. It is a specially constructed diode, usually made of forms of crystalline silicon or of thin films (as of copper indium gallium ...

spraying

(Encyclopedia)spraying, horticultural practice of applying fungicides, insecticides, and herbicides, usually in solution, to plants. It may be accomplished by various means, e.g., the watering can, sprinkler attach...

Zacatecas, state, Mexico

(Encyclopedia)Zacatecas säkätāˈkäs [key], state (1990 pop. 1,276,329), 28,125 sq mi (72,844 sq km), N central Mexico. Zacatecas is the capital. Lying on the central plateau, Zacatecas is a state of semiarid pl...