Definition of dimension in English:

Share this entry


Pronunciation: /dəˈmen(t)SH(ə)n/
Pronunciation: /dīˈmen(t)SH(ə)n/


1An aspect or feature of a situation, problem, or thing: sun-dried tomatoes add a new dimension to this sauce
More example sentences
  • We also seem this winter to be treating patients with more complex conditions requiring greater time in hospital, thereby adding a new dimension to the situation we normally face.
  • Therefore the organization of the exhibition during Ramadhan will add a cultural dimension to this holy month.
  • Those humour-laced lines join to give a new dimension to contemporary situations and personalities.
aspect, feature, element, facet, side
2 (usually dimensions) A measurable extent of some kind, such as length, breadth, depth, or height: the final dimensions of the pond were 14 ft. x 8 ft the drawing must be precise in dimension
More example sentences
  • The dim, candlelit interior contrives to make them shift in dimension and depth; new nooks appear wherever you look, some of them illusions created by subtle mirrors.
  • Entries will be strictly limited to a maximum of 600 mm in their greatest dimension i.e. length, breadth or height.
  • As the final dimensions measure a mere 1.2 x 0.7 x 0.2 metres, two of these cases could be transported easily in the back of a car.
length, width, breadth, depth, area, volume, capacity;
2.1A mode of linear extension of which there are three in space and two on a flat surface, which corresponds to one of a set of coordinates specifying the position of a point.
Example sentences
  • String theory holds that different modes of vibration reveal themselves in our measly four dimensions of space and time as different particles and forces.
  • This analogy has a problem, however, in that one tends to be aware that the two-dimensional surface is embedded in the three dimensions of our ordinary space.
  • You score points by assessing the position of your knights on the castles, multiplying a knight's vertical position by the spatial dimensions of the structure.
2.2 Physics An expression for a derived physical quantity in terms of fundamental quantities such as mass, length, or time, raised to the appropriate power (acceleration, for example, having the dimension of length × time2).
Example sentences
  • Explicit formulas in terms of dimensions of the figures can be deduced from these theorems.
  • Outlines may be captured as rectangular coordinates or Fourier coefficients and, even when non-fractal, analysed in terms of fractal dimensions.
  • Divide as above and voila, you have your fractal dimension.


[with object]
1Cut or shape (something) to particular measurements.
Example sentences
  • The deviator block was dimensioned at 1200 mm but scaled 1500 mm.
  • The shortest possible braking distances are guaranteed by the generously dimensioned AMG high-performance braking system behind the AMG light-alloy wheels, which features internally ventilated and indented brake discs all-round.
  • To eliminate waste, he dimensioned the house to accept stock framing pieces and chose materials such as sustainably harvested mahogany for the siding, synthetic-slate roofs, recycled flora tires, and real stucco.
1.1Mark (a diagram) with measurements: (as adjective dimensioned) draw a dimensioned front elevation
More example sentences
  • Existing utilities and foundations may not be exactly where expected nor properly dimensioned on old drawings.
  • Shop drawings for the stone were completed and dimensioned accurately and rapidly.
  • Never layout or cut stringers until you have it all worked out on paper by drawing a dimensioned, section view of the stairs.



Pronunciation: /diˌmenCHəˈnalətē/
Example sentences
  • The physics of quantum confinement in structures of reduced dimensionality, pioneered in the late 1960s, is very relevant to the function of such nanodevices.
  • Sure I can also understand that those who study architectures spend copious amounts of time dealing with exactly how resources scale due to the constraints of locality and dimensionality.
  • He feels that the true theory may be independent of any dimensionality of space-time, and that 11 dimensions only emerges once one tries to solve it.


Pronunciation: /-CHənl-ē/
Example sentences
  • The heat capacity is numerically, but not dimensionally, equivalent to another quantity, the specific heat.
  • Yield forces at the rim (which are dimensionally equivalent to energy densities) were found to scale as a power of the loading rate.
  • The surprise of bamboo flooring is that it is often as hard as oak and maple, and it is more dimensionally stable (it expands and contracts less) than other common types of hardwood floors.


Pronunciation: /dəˈmen(t)SH(ə)nləs/
Example sentences
  • So I count eleven parameters - really only ten, since only dimensionless ratios of mass scales matter - each of which needs to be specified to three significant digits or fewer.
  • We have learned to see photographs, not so much as substantive objects, but as flat, dimensionless, even transparent windows that give view to other places and times.
  • In string theory the known elementary particles are no longer described as dimensionless mathematical point-objects but rather as extended one-dimensional objects (hence the name ‘string’).


Late Middle English (sense 2 of the noun): via Old French from Latin dimensio(n-), from dimetiri 'measure out'. sense 1 of the noun dates from the 1920s.

Words that rhyme with dimension

abstention, apprehension, ascension, attention, circumvention, comprehension, condescension, contention, contravention, convention, declension, detention, dissension, extension, gentian, hypertension, hypotension, intention, intervention, invention, mention, misapprehension, obtention, pension, prehension, prevention, recension, retention, subvention, supervention, suspension, tension

For editors and proofreaders

Syllabification: di·men·sion

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.