dimension

noun
di·​men·​sion | \ də-ˈmen(t)-shən 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\ -​ˈmen(t)-​shə-​niŋ How to pronounce dimensioning (audio) \

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

In particular, with the same dimensions and take-off mass, the cyclocopter requires a much smaller engine power and almost twice the mass of the payload. David Hambling, Popular Mechanics, "After More Than a Century, the Cyclocopter Is Making a Comeback," 5 Apr. 2019 Swipe the shade Hardhome over the brow bone and in the crease of the eye for dimension. Jenna Rosenstein, Harper's BAZAAR, "Nathalie Emmanuel and Maisie Williams Both Wore the Urban Decay Game of Thrones Collab," 4 Apr. 2019 While the devices are actually very similar in dimensions and weight, their battery life differs greatly. Melissa Riofrio, PCWorld, "Amazon's All-new Kindle for $89.99 is priced for budget users," 20 Mar. 2019 Goodies come in all shapes and sizes—beyond the handbag dimensions. Diana Nguyen, Harper's BAZAAR, "You Can Only Buy These Handbags at Saks—And WE WANT THEM ALL," 8 Mar. 2019 Maduro has held on to the support of the military, the country’s main powerbroker, and relies on powerful allies like Russia and China in a conflict with increasingly Cold War-like dimensions. Luis Andres Henao, The Seattle Times, "A look at rival Branson vs Maduro concerts for Venezuela," 20 Feb. 2019 That cover gave me hope, a curious peek into another dimension. Liana Satenstein, Vogue, "Why I Love the New Kate Moss So Much Better Than the ’90s Waif," 25 Jan. 2019 Intel also hasn’t released any guidelines for an Athena PC’s physical dimensions. Mark Hachman, PCWorld, "Inside Project Athena: How Intel and PC makers are creating the ultra-responsive laptops of tomorrow," 7 Jan. 2019 Which will be the fastest sports car on every dimension. Eric Johnson, Recode, "Full Q&A: Tesla and SpaceX CEO Elon Musk on Recode Decode," 2 Nov. 2018

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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Statistics for dimension

Last Updated

13 Apr 2019

Look-up Popularity

Time Traveler for dimension

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

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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

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Comments on dimension

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