plural of Axis power

(mathematics) The vertical line in the complex plane, every point on which corresponds to a complex number having zero real component

(mathematics) The horizontal line in the complex plane, every point on which corresponds to a real number

(geometry) Any of one or more lines about which a geometric figure is symmetric

(geometry) The longest diameter of an ellipse, running through the center and foci, with its ends being the widest points of the shape. / (geometry) The diameter of a circle.

(geometry) Half of the major axis of a circle or ellipse. / (geometry) Half of the distances between the two branches of a hyperbola.

The shortest diameter of an ellipse, which bisects the major axis at a right angle.

(optics) An imaginary line within an optical system around which there is rotational symmetry.

(mathematics, geometry) One of the lines in the coordinate system that represents one of the dimensions.

The optical axis of an eye (extending from the viewed object through the centre of the pupil to the yellow spot of the retina)