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longitude

noun /ˈlɒndʒɪˌtjuːd,ˈlɑːndʒəˌtuːd,ˈlɒŋɡətʃuːd/

a) Angular distance measured west or east of the prime meridian.

b) Any imaginary line perpendicular to the equator and part of a great circle passing through the North Pole and South Pole.

Syn: meridian

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