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The Collaborative International Dictionary
Geographical variation

Geographic \Ge`o*graph"ic\, Geographical \Ge`o*graph"ic*al\, a. Of or pertaining to geography.

Geographical distribution. See under Distribution.

Geographic latitude (of a place), the angle included between a line perpendicular or normal to the level surface of water at rest at the place, and the plane of the equator; differing slightly from the geocentric latitude by reason of the difference between the earth's figure and a true sphere.

Geographical mile. See under Mile.

Geographical variation, any variation of a species which is dependent on climate or other geographical conditions.