A measurement of length in one direction.

Examples: width, depth and height are dimensions.

A line has one dimension (1D),

a square has two dimensions (2D),

and a cube has three dimensions (3D).

In Physics it can also mean any physical measurement such as length, time, mass, etc.

Examples: width, depth and height are dimensions.

A line has one dimension (1D),

a square has two dimensions (2D),

and a cube has three dimensions (3D).

In Physics it can also mean any physical measurement such as length, time, mass, etc.

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