Difference between Axis and Axes

Key Difference: The two differ in their spelling, but do not have a different meaning. Axis is a singular term, whereas, axes is the plural of axis.

People often get confused over the terms axis and axes. They look and sound similar and therefore, at many times people use them interchangeably. The usage of one in place of the other will make a difference in a sentence. The differences of both the terms are simple enough.

Axis is a singular term, whereas, axes is a plural of axis. It does not have any other meaning; and whether it is to be used as an axis or axes, it depends on the context. For example: One axis defines one rotation. But, one can give an object more than one rotation, and they can have different axes.

According to Dictionary.com axis is “the line about which a rotating body, such as the earth, turns.” An axis may be defined as an imaginary line around which the object spins. In mathematics, axis may alco commonly refer to an axis of symmetry which is a line that divides a two-dimensional object into identical shapes. An axis may also be referred to in science, in technology, in music, in industry, in geography, etc.

The Earth’s rotation is the best example to understand an axis. Earth rotates from west to east around an imaginary line, which passes through the poles, i.e. north and south poles. It is perpendicular to the plane of the equator. Thus, this imaginary line is called the axis of Earth’s rotation. This is the only reason that the celestial bodies appear to move from east to west. The earth spins on an axis, unlike a top or rolling ball, it does not spin perfectly horizontally or vertically. Instead, it spins at a 23.5 degree tilt. This tilt is also what is responsible for different climates and seasons at different times on the planet.

Comparison between Axis and Axes:

 

Axis

Axes

Description

An axis may be defined as an imaginary line around which the object spins. It is used as a singular form.

It is the plural form of an axis.

In matplotlib

Axis is the axis of the plot, the thing that gets ticks and tick labels.

The axes is the area your plot appears in.

Pronunciation

ak-sis

ak-seez

Examples

As Earth drags space-time, it drags each sphere’s spin axis with it.

Planets with sizable tilts on their spin- axes should have extreme seasonal temperatures.

Usage

Noun

Noun

Image Courtesy: inhabitat.com, blogs.agi.com

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