- a property of space; extension in a given direction: A straight line has one dimension, a parallelogram has two dimensions, and a parallelepiped has three dimensions.
- the generalization of this property to spaces with curvilinear extension, as the surface of a sphere.
- the generalization of this property to vector spaces and to Hilbert space.
- the generalization of this property to fractals, which can have dimensions that are noninteger real numbers.
- extension in time: Space-time has three dimensions of space and one of time.
- measurement in length, width, and thickness.
- scope; importance: the dimensions of a problem.
- a magnitude that, independently or in conjunction with other such magnitudes, serves to define the location of an element within a given set, as of a point on a line, an object in a space, or an event in space-time.
- the number of elements in a finite basis of a given vector space.
verb (used with object)
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Origin of dimension
OTHER WORDS FROM dimension
Words nearby dimension
Example sentences from the Web for dimension
Almost every dimension of inequity has been accentuated here.‘There’s been some cracks:’ Bill Gates questions FDA’s credibility on a COVID-19 vaccine|Claire Zillman, reporter|September 16, 2020|Fortune
At times he’s proposed worlds where the rules of the universe that we take for granted — about space, dimensions, the human body, the nature of dreams — are bent into strange new shapes.The ancient palindrome that explains Christopher Nolan’s Tenet|Alissa Wilkinson|September 4, 2020|Vox
All the while, lidar measured the exact dimensions of their bodies.A robot referee can really keep its ‘eye’ on the ball|Kathryn Hulick|August 20, 2020|Science News For Students
Psychologists call this misleading feeling of helplessness the “pseudoinefficacy effect,” and it has a political dimension that may keep individuals from working to help others.Generation Z is ‘traumatized’ by climate change—and they’re the key to fighting it|matthewheimer|August 19, 2020|Fortune
A simple argument shows that once the conjecture is false in one dimension, it’s necessarily false in all higher dimensions.
Trippy, echoing sound effects give “A Brain In A Bottle” a sense of fullness and dimension—as they do for “Guess Again!”Newest Album From Radiohead’s Thom Yorke Is No Online Afterthought|Noel Murray|September 27, 2014|DAILY BEAST
The premise involved a detective whose ability to stand on one leg allowed him entry into a bizarre second dimension.
He also explains that from a higher mathematical vantage point, our dimension would seem less dimensional.‘True Detective’ Episode 5 Review: ‘The Secret Fate of All Life’ is the Best Episode Yet|Andrew Romano|February 17, 2014|DAILY BEAST
But my lack of care has the dimension of a confession because I feel bad about not caring.
Alcohol abuse is a much bigger problem than cannabis abuse—in every dimension.Meet Mark Kleiman, the Man Who Will Be Washington State’s Pot Czar|Abby Haglage|March 21, 2013|DAILY BEAST
To know the fourth dimension is to step out of a locked room and appear instantly on the roof or in another country altogether.Day and Night Stories|Algernon Blackwood
We know the existence of the infinite, and are ignorant of its nature, because it has dimension like us, but not limits like us.The Thoughts of Blaise Pascal|Blaise Pascal
This test is only to obtain the proportion of one dimension to another.Cornell Nature-Study Leaflets|Various
I rushed to the dimensoscope and gazed through it into the fifth dimension.
Every dimension is at right angles to all other dimensions, of course.
British Dictionary definitions for dimension
- the product or the quotient of the fundamental physical quantities (such as mass, length, or time) raised to the appropriate power in a derived physical quantitythe dimensions of velocity are length divided by time
- the power to which such a fundamental quantity has to be raised in a derived quantity
- to shape or cut to specified dimensions
- to mark with specified dimensions
Derived forms of dimensiondimensional, adjectivedimensionality, noundimensionally, adverbdimensionless, adjective
Word Origin for dimension
Medical definitions for dimension
Scientific definitions for dimension
- Any one of the three physical or spatial properties of length, area, and volume. In geometry, a point is said to have zero dimension; a figure having only length, such as a line, has one dimension; a plane or surface, two dimensions; and a figure having volume, three dimensions. The fourth dimension is often said to be time, as in the theory of General Relativity. Higher dimensions can be dealt with mathematically but cannot be represented visually.
- The measurement of a length, width, or thickness.