Circle of latitude

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(Astron.) A great circle perpendicular to the plane of the ecliptic, passing through its poles.
(Spherical Projection) A small circle of the sphere whose plane is perpendicular to the axis.

See also: Circle, Circle

References in periodicals archive ?
He added that concerns have reached the extent of Saudi Arabia informing Turk officials that they can arrest any Saudi citizen who crosses the 36th parallel north circle of latitude, as there are no tourist or commercial areas there, and those who cross that point most probably want to sneak into northern Syria.
Their mine was about 500 miles north of Santiago, south of this major circle of latitude.
This can be depicted as an evolution along a circle of latitude on the Bloch sphere with periodicity of 2[pi].