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cluster munitions

(Encyclopedia)cluster munitions or cluster bombs, air-dropped or ground-launched weapons that open in mid-air and scatter dozens, hundreds, or thousands of smaller submunitions (or bomblets) over a wide area. Such ...

Glasgow, city, Scotland

(Encyclopedia)Glasgow glăsˈgō, –kō, glăzˈgō [key], city and council area, S central Scotla...

Nestorian Church

(Encyclopedia)Nestorian Church, officially the Assyrian Church of the East, Christian community of Iraq, Iran, and SW India. It represents the ancient church of Persia and is sometimes also called the East Syrian C...

Pachacamac

(Encyclopedia)Pachacamac päˌchäkämäkˈ [key], ruins of a walled Native American settlement, Peru, about 25 mi (40 km) SE of Lima in the Lurin Valley. This site, which contains a number of pyramids, was conside...

polar bear

(Encyclopedia)polar bear, large white bear, Ursus maritimus, formerly Thalarctos maritimus, of the coasts of arctic North America, Asia, and Europe. Polar bears usually live on drifting pack ice, but sometimes wand...

pollination

(Encyclopedia)pollination, transfer of pollen from the male reproductive organ (stamen or staminate cone) to the female reproductive organ (pistil or pistillate cone) of the same or of another flower or cone. Polli...

screw

(Encyclopedia)screw, simple machine consisting essentially of a solid cylinder, usually of metal, around which an inclined plane winds spirally, either clockwise or counterclockwise. It is used to fasten one object...

Bashkortostan

(Encyclopedia)Bashkortostan băshkĭrˈ [key], constituent republic, 55,444 sq mi (143,600 sq km), E European ...

aviation

(Encyclopedia)aviation, operation of heavier-than-air aircraft and related activities. Aviation can be conveniently divided into military aviation, air transport, and general aviation. Military aviation includes al...

health insurance

(Encyclopedia)health insurance, prepayment plan providing services or cash indemnities for medical care needed in times of illness or disability. It is effected by voluntary plans, either commercial or nonprofit, o...