dimension

1 of 2

noun

di·​men·​sion də-ˈmen(t)-shən How to pronounce dimension (audio)
also
dī- How to pronounce dimension (audio)
1
a mathematics
(1)
: measure in one direction
the dimensions of the room
specifically : one of three coordinates (see coordinate entry 3 sense 1a) determining a position in space or four coordinates determining a position in space and time
(2)
: one of a group of properties whose number is necessary and sufficient to determine uniquely each element of a system of usually mathematical entities (such as an aggregate of points in real or abstract space)
the surface of a sphere has two dimensions
also : a parameter (see parameter sense 1) or coordinate variable assigned to such a property
the three dimensions of momentum
(3)
: the number of elements in a basis (see basis sense 5) of a vector space
b
: the quality of spatial extension : magnitude, size
… the town's modest dimensions and leisurely ways …Jane Shellhase
c
: a lifelike or realistic quality
uses eccentric dialogue to add dimension to her characters
d
: the range over which or the degree to which something extends : scope
usually used in plural
the vast dimensions of the disaster
e
: one of the elements or factors making up a complete personality or entity : aspect
the social and political dimensions of the problem
2
obsolete : bodily form or proportions
… my dimensions are as well compact, my mind as generous, and my shape as true …Shakespeare
3
mathematics : any of the fundamental units (as of mass, length, or time) on which a derived unit is based
also : the power of such a unit
4
: wood or stone cut to pieces of specified size
5
: a level of existence or consciousness
… a secular as well as spiritual dimensionCatherine Bates
dimensional
də-ˈmench-nəl How to pronounce dimension (audio)
also
dī- How to pronounce dimension (audio)
-ˈmen(t)-shə-nᵊl
adjective
dimensionality noun
dimensionally
də-ˈmench-nə-lē How to pronounce dimension (audio)
 also  dī-
-ˈmen(t)-shə-nᵊl-ē
adverb
dimensionless adjective

dimension

2 of 2

verb

dimensioned; dimensioning də-ˈmen(t)-shə-niŋ How to pronounce dimension (audio)
 also  dī-

transitive verb

1
: to form to the required dimensions (see dimension entry 1 sense 1a(1))
a table dimensioned to fit the space
2
: to indicate the dimensions of (as on a drawing)
dimensioning the plans

Examples of dimension in a Sentence

Noun She carefully measured each dimension of the room. The social dimensions of the problem must also be taken into account.
Recent Examples on the Web
Noun
This is why Big Trouble is known for breaking boundaries, as its works exist in a dimension where heretical physics, impossible colors, and unnamable emotions collide to create captivating experiences. Kyle J. Russell, USA TODAY, 9 July 2024 The introduction of Ousmane Dembélé midway through the second half gave France a new attacking dimension, with the Paris Saint-Germain winger going close with a curling effort. Ben Morse, CNN, 5 July 2024
Verb
Aaron Judge, New York Yankees: Another huge man with huge power playing in the same Little League-dimensioned ballpark as Stanton. Ted Berg, For The Win, 23 Feb. 2018 Each barn is covered top to bottom in oversized shingles dimensioned to make the volume look smaller. Joseph Giovannini, ELLE Decor, 2 July 2015 See all Example Sentences for dimension 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'dimension.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Noun and Verb

Middle English, from Anglo-French, from Latin dimension-, dimensio, from dimetiri to measure out, from dis- + metiri to measure — more at measure

First Known Use

Noun

14th century, in the meaning defined at sense 1a

Verb

1754, in the meaning defined at sense 1

Time Traveler
The first known use of dimension was in the 14th century

Dictionary Entries Near dimension

Cite this Entry

“Dimension.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dimension. Accessed 18 Jul. 2024.

Kids Definition

dimension

noun
di·​men·​sion
də-ˈmen-chən,
 also  dī-
1
a
: extension in one direction
the dimensions of length, width, and height
b
: measure of extension in one direction or in all directions : size
2
: the range over which something extends : scope
usually used in plural
dimensional
-ˈmench-nəl
-ˈmen-chən-ᵊl
adjective
dimensionally
-ˈmench-nə-lē
-ˈmen-chən-ᵊl-ē
adverb
dimensionless
-ˈmen-chən-ləs
adjective
Etymology

Noun

Middle English dimensioun "dimension," from early French dimension (same meaning), from Latin dimensio "measurement, dimension," from dimetiri "to measure out," from di-, dis- "apart" and metiri "to measure" — related to immense, measure

Medical Definition

dimension

noun
di·​men·​sion
də-ˈmen-chən also dī-
: measure in one direction
specifically : one of three or four coordinates determining a position in space or space and time

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