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polar axis
noun
, Mathematics.
- the fixed line, usually horizontal, from which the angle made by the radius vector is measured in a polar coordinate system.
polar axis
noun
- the fixed line in a system of polar coordinates from which the polar angle, θ, is measured anticlockwise
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Word History and Origins
Origin of polar axis1
First recorded in 1890–95
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Example Sentences
The same would be the case if the polar axis of one sphere stood precisely at right angles to that of the other.
From Project Gutenberg
Thus the wide habitability of the earth is an effect arising from the inclination of its polar axis.
From Project Gutenberg
Let us conceive a particle of air situated immediately over the earth's polar axis.
From Project Gutenberg
The errors of the polar axis were finally reduced to within the limits of error of observation.
From Project Gutenberg
The declination axis is short, and is supported by a massive goose-neck bolted to the upper end of the polar axis.
From Project Gutenberg
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