A dimension is the measurement of something in physical space. You might give the painters every dimension of the rooms you want painted, including depth, height, and width.

In addition to physical objects, dimension can describe something less tangible, such as the magnitude or extent of something. You might be shocked by the dimension of damage from the explosion down the street. Dimension can also be a feature of something, such as an experience, situation, flavor, or thing. Painting your bedroom purple will add a mystical dimension to your dwelling, especially if you add unicorn accents.

Definitions of dimension

n a construct whereby objects or individuals can be distinguished

attribute, property
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character, lineament, quality
a characteristic property that defines the apparent individual nature of something
characteristic, feature
a prominent attribute or aspect of something
feature, feature of speech
(linguistics) a distinctive characteristic of a linguistic unit that serves to distinguish it from other units of the same kind
sex character, sex characteristic, sexual characteristic
those characteristics (both anatomical and psychological) that are strongly associated with one sex relative to the other
the essential quality of something
a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it
aspect, facet
a distinct feature or element in a problem
attracter, attraction, attractive feature, attractor, magnet
a characteristic that provides pleasure and attracts
any feature that is regarded as a sign of status (a particular power or quality or rank)
centerpiece, centrepiece
the central or most important feature
a feature (or the order or arrangement of features) of anything having a complex structure
excellence, excellency
an outstanding feature; something in which something or someone excels
outward features
distinctive feature, distinguishing characteristic, peculiarity
an odd or unusual characteristic
safety feature
feature of an artifact that is added to insure a user's safety
Type of:
concept, conception, construct
an abstract or general idea inferred or derived from specific instances

n magnitude or extent

Type of:
the property of relative size or extent (whether large or small)

n the magnitude of something in a particular direction (especially length or width or height)

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the dimension through an object as opposed to its length or width
slenderness, tenuity, thinness
relatively small dimension through an object as opposed to its length or width
the linear extent in space from one end to the other; the longest dimension of something that is fixed in place
breadth, width
the extent of something from side to side
height, tallness
the vertical dimension of extension; distance from the base of something to the top
third dimension
the dimension whereby a solid object differs from a two-dimensional drawing of it
fourth dimension, time
the fourth coordinate that is required (along with three spatial dimensions) to specify a physical event
the length of the closed curve of a circle
diam, diameter
the length of a straight line passing through the center of a circle and connecting two points on the circumference
r, radius
the length of a line segment between the center and circumference of a circle or sphere
the thickness of wire
the property of being of long spatial extent
the property of being of short spatial extent
broadness, wideness
the property of being wide; having great width
(nautical) breadth amidships
the property of being narrow; having little width
highness, loftiness
the quality of being high or lofty
the quality of being low; lacking height
Type of:
the property of relative size or extent (whether large or small)

n one of three Cartesian coordinates that determine a position in space

Type of:
Cartesian coordinate
one of the coordinates in a system of coordinates that locates a point on a plane or in space by its distance from two lines or three planes respectively; the two lines or the intersections of the three planes are the coordinate axes

v indicate the dimensions on

“These techniques permit us to dimension the human heart”
Type of:
designate as if by a mark

v shape or form to required dimensions

Type of:
form, shape
give shape or form to

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