dimension

noun
di·​men·​sion | \ də-ˈmen(t)-shən How to pronounce dimension (audio) also dī- How to pronounce dimension (audio) \

Definition of dimension

 (Entry 1 of 2)

1a 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 dimension— Catherine Bates

dimension

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

Definition of dimension (Entry 2 of 2)

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

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Other Words from dimension

Noun

dimensional \ də-​ˈmench-​nəl How to pronounce dimension (audio) also  dī-​ How to pronounce dimension (audio) , -​ˈmen(t)-​shə-​nᵊl \ adjective
dimensionality \ də-​ˌmen(t)-​shə-​ˈna-​lə-​tē How to pronounce dimension (audio) also  dī-​ \ noun
dimensionally \ də-​ˈmench-​nə-​lē How to pronounce dimension (audio) also  dī-​ , -​ˈmen(t)-​shə-​nᵊl-​ē \ adverb
dimensionless \ də-​ˈmen(t)-​shən-​ləs How to pronounce dimension (audio) also  dī-​ \ adjective

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 Some people have wondered if his departure in early 2016 didn’t somehow rend the fabric of space-time and send us hurtling into a dimension of alternate outcomes. Washington Post, "Dear Brood X cicadas: Welcome back to our messed-up world. Here’s what you missed.," 30 Apr. 2021 This pandemic year has underscored just how elusive certainty can be, which adds an even more challenging dimension to crisis communications. Hannah Storm, Fortune, "How to communicate during a crisis at work," 22 Apr. 2021 The ability to datify everything adds a new dimension to Taylor's project. Caitlin Harrington, Wired, "As Amazon Workers Organize, They Stress: ‘We Are Not Robots’," 9 Apr. 2021 In addition to moisturizing your lids, Scibelli notes that the ointment also adds dimension to the color. Marianne Mychaskiw, Good Housekeeping, "6 Uses for Aquaphor That Might Surprise You," 8 Apr. 2021 The vaccine had long taken on a political dimension in Brazil. New York Times, "Disappointing Chinese Vaccine Results Pose Setback for Developing World," 13 Jan. 2021 To be close to a whale, in the wild, not in a boat but in the water itself, is to encounter an embodied agency that exists, across every dimension, on a scale that swallows our own: its physical size, its evolutionary age, its polar voyages. Amia Srinivasan, The New Yorker, "What Have We Done to the Whale?," 17 Aug. 2020 Technology is allowing for even greater control by the CCP over the everyday lives of its citizens in every dimension. Therese Shaheen, National Review, "Chinese Apartheid and the Fragile Communist State," 5 Apr. 2021 In one dimension, this is an accurate description of the church, which is a monarchy and does have one central authority in Rome. Steven P. Millies, The Conversation, "Catholic opinions on Johnson & Johnson vaccine highlight debate between hardliners on abortion and others in the church," 18 Mar. 2021 Recent Examples on the Web: 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, "Poll: Which MLB slugger is most likely to challenge Barry Bonds' home-run record in 2018?," 23 Feb. 2018 Each barn is covered top to bottom in oversized shingles dimensioned to make the volume look smaller. Joseph Giovannini, ELLE Decor, "HOUSE TOUR: Contemporary Decor Blends With Farmhouse Tradition Inside A Hamptons Barn," 2 July 2015

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dimension.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dimension

Noun

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

Verb

1754, in the meaning defined at sense 1

History and Etymology for dimension

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

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Time Traveler for dimension

Time Traveler

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

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Statistics for dimension

Last Updated

7 May 2021

Cite this Entry

“Dimension.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dimension. Accessed 13 May. 2021.

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More Definitions for dimension

dimension

noun

English Language Learners Definition of dimension

: the length, width, height, or depth of something : a measurement in one direction (such as the distance from the ceiling to the floor in a room)
: the amount or number of things that something affects or influences
: a part of something

dimension

noun
di·​men·​sion | \ də-ˈmen-shən How to pronounce dimension (audio) \

Kids Definition of dimension

: the length, width, or height of something

dimension

noun
di·​men·​sion | \ də-ˈmen-chən also dī- \

Medical Definition of dimension

: measure in one direction specifically : one of three or four coordinates determining a position in space or space and time

Comments on dimension

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