Longman Dictionary of Contemporary English homepage

Date: 1300-1400
Language: Old French
Origin: Latin dimetiri 'to measure out'

dimension

 noun
     
Related topics: Visual, Maths, Measurement
di‧men‧sion W3 [countable]
1 a part of a situation or a quality involved in it [= aspect]
dimension of
the moral dimension of world politics
add a new/an extra/another etc dimension (to something)
His coaching has added another dimension to my game.
political/social/economic etc dimension
It is important to keep in mind the historical dimension to these issues.
You can have a spiritual dimension to your life without being religious.
2 [usually plural] the length, height, width, depth, or diameter of something:
a rectangle with the dimensions 5cm x 2cm
dimension of
We'll need to know the exact dimensions of the room.
3TMAV a direction in space that is at an angle of 90 degrees to two other directions:
A diagram represents things in only two dimensions.
 ➔ fourth dimension, three-dimensional (1), two-dimensional (1)
4

dimensions

[plural] how great or serious a problem is:
a catastrophe of enormous dimensions
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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