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"
Synonyms:
line of longitude
,
meridian
Related Words:
International Date Line
,
date line
,
dateline
,
great circle
,
magnetic meridian
,
observer's meridian
,
prime meridian
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