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.
Origin of polar axis
First recorded in 1890–95
Words nearby polar axis
poland china,
poland, invasion of,
polanski,
polar,
polar angle,
polar axis,
polar bear,
polar body,
polar bond,
polar cap,
polar cataract
British Dictionary definitions for polar axis
polar axis
noun
the fixed line in a system of polar coordinates from which the polar angle, θ, is measured anticlockwise