principal axis

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Definitions from WordNet

Noun principal axis has 1 sense

principal axis, optic axis - a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted
--₁ is a kind of axis

Definitions from the Web

Term: Principal Axis

Definition:

The principal axis refers to the main axis or line around which an object or system rotates, pivots, or revolves. In mathematics and physics, it is an important concept used to analyze the behavior and properties of various systems and objects.

Sample Sentences:

The earth's principal axis of rotation passes through the North and South Poles.
In optics, the principal axis of a lens is the imaginary line passing through its center.
The principal axis of a symmetrical molecule divides it into two identical halves.
He adjusted the telescope's mount to align the principal axis with the intended target.

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