An abstract sphere of infinite radius which serves as the imaginary backdrop for celestial objects, and of which the visible sky is one hemisphere.
the figure of the universe as an imaginary sphere whose center is the Earth
A universe or plane of existence.
A measure of spatial extent in a particular direction, such as height, width or breadth, or depth.
The number of independent coordinates needed to specify uniquely the location of a point in a space; also, any of such independent coordinates.
A construct whereby objects or individuals can be distinguished.
The number of elements of any basis of a vector space.
One of the physical properties that are regarded as fundamental measures of a physical quantity, such as mass, length and time.
A single aspect of a given thing.
Any of the independent ranges of indices in a multidimensional array.
To specify the size of (an array or similar data structure); to allocate.
To mark, cut or shape something to specified dimensions.