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Definition of Line of longitude
1. Noun. An imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator. "All points on the same meridian have the same longitude"
Exact synonyms: Meridian
Generic synonyms: Great Circle
Specialized synonyms: Observer's Meridian, Prime Meridian, Magnetic Meridian
Specialized synonyms: Date Line, Dateline, International Date Line
Derivative terms: Meridional
Generic synonyms: Great Circle
Specialized synonyms: Observer's Meridian, Prime Meridian, Magnetic Meridian
Specialized synonyms: Date Line, Dateline, International Date Line
Derivative terms: Meridional