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Puukohola Heiau National Historic Site

(Encyclopedia)Puukohola Heiau National Historic Site, Hawaii: see National Parks and Monuments (table)national parks and monuments (table). ...

Potomac Heritage National Scenic Trail

(Encyclopedia)Potomac Heritage National Scenic Trail: see National Parks and Monuments (table)national parks and monuments (table). ...

Overmountain Victory National Historic Trail

(Encyclopedia)Overmountain Victory National Historic Trail: see National Parks and Monuments (table)national parks and monuments (table). ...

Pacific Crest National Scenic Trail

(Encyclopedia)Pacific Crest National Scenic Trail: see National Parks and Monuments (table)national parks and monuments (table). ...

Pea Ridge National Military Park

(Encyclopedia)Pea Ridge National Military Park: see National Parks and Monuments (table)national parks and monuments (table). ...

Organ Pipe Cactus National Monument

(Encyclopedia)Organ Pipe Cactus National Monument: see National Parks and Monuments (table)national parks and monuments (table). ...

decimal system

(Encyclopedia)decimal system [Lat.,=of tenths], numeration system based on powers of 10. A number is written as a row of digits, with each position in the row corresponding to a certain power of 10. A decimal point...

Langeland

(Encyclopedia)Langeland längˈəlăn [key], narrow island (1992 pop. 15,226), 110 sq mi (285 sq km), S Denmark, between Fyn and Lolland. Rudkøbing is the main town; other towns include Bagenkop and Lohals. The is...

lanolin

(Encyclopedia)lanolin, greasy, yellow substance extracted from wool. When purified, it is used as a base for ointments and creams, as a lubricant, and in finishing and preserving leather. It is also a constituent o...

torque

(Encyclopedia)torque, in physics, that which tends to change the rate of rotation of a body; also called the moment of force. The torque produced by rotating parts of an electric motor or internal-combustion engine...