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nest

(Encyclopedia)nest, structure for the reception and incubation of the eggs of birds, reptiles, insects, and some fish or for the parturition of mammals, and also for the care of the young during their period of hel...

lacrosse

(Encyclopedia)lacrosse ləkrôsˈ [key], ball and goal game usually played outdoors by two teams of 10 players each on a field 60 to 70 yd (54.86 to 64.01 m) wide by 110 yd (100.58 m) long. Two goals face each othe...

ratite

(Encyclopedia)ratite rătˈīt [key], common and general term for a variety of flightless birds characterized by a flat, raftlike sternum rather than the keeled sternum, designed to support flight muscles, typical ...

truffle

(Encyclopedia)truffle trŭfˈəl [key] [Fr.], subterranean edible fungus that forms a mutually beneficial (symbiotic) relationship with the roots of certain trees and plants. The part of the fungus used as food is ...

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...

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...

polo

(Encyclopedia)polo, indoor or outdoor ball and goal game played on horseback. Some historians claim that polo originated in Persia in the 6th cent.; it spread to Turkey, India, and Tibet and, with some modificati...

pear

(Encyclopedia)pear, name for a fruit tree of the genus Pyrus of the family Rosaceae (rose family) and for its fruit, a pome. The common pear (P. communis) is one of the earliest cultivated of fruit trees, both in i...

deer

(Encyclopedia)deer, ruminant mammal of the family Cervidae, found in most parts of the world except Australia. Antlers, solid bony outgrowths of the skull, develop in the males of most species and are shed and rene...

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