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 pluralthe 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 dimensioning (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

Keep scrolling for more

Other Words from dimension

Noun

dimensional \ də-​ˈmench-​nəl How to pronounce dimensional (audio) also  dī-​ How to pronounce dimensional (audio) , -​ˈmen(t)-​shə-​nᵊl \ adjective
dimensionality \ də-​ˌmen(t)-​shə-​ˈna-​lə-​tē How to pronounce dimensionality (audio) also  dī-​ \ noun
dimensionally \ də-​ˈmench-​nə-​lē How to pronounce dimensionally (audio) also  dī-​ , -​ˈmen(t)-​shə-​nᵊl-​ē \ adverb
dimensionless \ də-​ˈmen(t)-​shən-​ləs How to pronounce dimensionless (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 Huffman's letter adds yet another dimension to the sentencing decision that will await Talwani. Mark Morales, CNN, "Felicity Huffman is set to become the first parent sentenced for the college admissions scandal Friday," 13 Sep. 2019 The letter adds yet another dimension to the sentencing decision that will await Talwani. Cnn.com Wire Service, The Mercury News, "Felicity Huffman’s letter to judge: Text of her ‘bigger picture’ explanation," 13 Sep. 2019 The Game of Thrones actress went for a lighter version of the look, with more of a pinkish-red shade that used her base color to add dimension. Krystin Arneson, Glamour, "Cherry Blond Hair Is the Perfect Shade for Summer," 4 Aug. 2019 And both actors have worked to add dimension to characters who could easily be cartoons. Deborah Martin, ExpressNews.com, "Villains are scene stealers in ‘Matilda,’ ‘Beauty and the Beast’," 18 July 2019 For all the time the story spends in the human city of Zion, the dance-orgy and character-drama segments don’t say much about how this future functions, or add dimension to the man vs. machine conflict. Liz Shannon Miller, The Verge, "Hulu’s Handmaid’s Tale is a model of longform worldbuilding," 15 July 2019 And the emphasis on geography would add another dimension to that foundationally feminist insight: that women navigate a world designed by, and for, men. Megan Garber, The Atlantic, "You Should Really Read E. Jean Carroll’s Memoir," 3 July 2019 This will also allow users with limited mobility to navigate screens and access actions with a switch device using a minimal number of gestures, which adds yet another dimension to our current efforts to make our apps universally accessible. Samuel Axon, Ars Technica, "Catalyst deep dive: The future of Mac software according to Apple and devs," 1 July 2019 Again, though much of this is familiar, the cast adds dimension. oregonlive.com, "‘The Loudest Voice,’ starring Russell Crowe, tells a familiar but timely story about the rise of Fox News," 26 June 2019 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.

See More

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

Keep scrolling for more

Learn More about dimension

Statistics for dimension

Last Updated

26 Oct 2019

Time Traveler for dimension

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

See more words from the same century

Keep scrolling for more

More Definitions for dimension

dimension

noun
How to pronounce dimension (audio) How to pronounce dimension (audio)

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

Keep scrolling for more

Comments on dimension

What made you want to look up dimension? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

not being in agreement or harmony

Get Word of the Day daily email!

Test Your Vocabulary

Confusing Words—A Quiz

  • alice with tweedle dee and tweedle dum
  • I invented a brand new toaster robot and ______ it "Sir Toasts-a-Lot."
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!