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Narva, river, Estonia and Russia

(Encyclopedia)Narva, river, c.50 mi (80 km) long, rising in Lake Peipus (Chudskoye), E Estonia, and flowing northeast past the city of Narva into the Gulf of Finland. It forms the border between Estonia and Russia....

centripetal force and centrifugal force

(Encyclopedia)CE5 Centripetal and centrifugal forces: When a ball is swung in a circle at the end of a string, centripetal and centrifugal forces act as shown above. centripetal force and centrifugal force, act...

Paraguay, river, Brazil and Paraguay

(Encyclopedia)Paraguay, river, c.1,300 mi (2,090 km) long, rising in the highlands of central Mato Grosso state, Brazil. Flowing generally southward, it forms the border between Brazil and Paraguay in the pantanal,...

Carlos, Spanish and Portuguese kings

(Encyclopedia)Carlos. For Spanish and Portuguese kings thus named, use Charles.

mace, in botany and cooking

(Encyclopedia)mace, in botany and cooking: see nutmeg. ...

rust, in chemistry and metallurgy

(Encyclopedia)rust, in chemistry and metallurgy: see corrosion. ...

American Ephemeris and Nautical Almanac

(Encyclopedia)American Ephemeris and Nautical Almanac: see ephemeris. ...

Catawba, river, N.C. and S.C.

(Encyclopedia)Catawba, river, N.C. and S.C.: see Wateree. ...

Laccadive, Minicoy, and Amindivi Islands

(Encyclopedia)Laccadive, Minicoy, and Amindivi Islands, India: see Lakshadweep. ...