01 n. Measure in a single line, as length, breadth, height, thickness, or circumference; extension; measurement; -- usually, in the plural, measu…
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1.
Measure in a single line, as length, breadth, height, thickness, or circumference; extension; measurement; -- usually, in the plural, measure in length and breadth, or in length, breadth, and thickness; extent; size; as, the dimensions of a room, or of a ship; the dimensions of a farm, of a kingdom.“Gentlemen of more than ordinary dimensions.” — W. Irving.
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2.
Extent; reach; scope; importance; as, a project of large dimensions.
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3.
The degree of manifoldness of a quantity; as, time is quantity having one dimension; volume has three dimensions, relative to extension.(Math.)
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4.
A literal factor, as numbered in characterizing a term. The term dimensions forms with the cardinal numbers a phrase equivalent to degree with the ordinal; thus, a2b2c is a term of five dimensions, or of the fifth degree.(Alg.)
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5.
The manifoldness with which the fundamental units of time, length, and mass are involved in determining the units of other physical quantities.(Phys.)
Phrases & compounds
Space of dimension —
extension that has length but no breadth or thickness; a straight or curved line.
Space of two dimensions —
extension which has length and breadth, but no thickness; a plane or curved surface.
Space of three dimensions —
extension which has length, breadth, and thickness; a solid.
Space of four dimensions —
as imaginary kind of extension, which is assumed to have length, breadth, thickness, and also a fourth imaginary dimension. Space of five or six, or more dimensions is also sometimes assumed in mathematics.
Dimension lumber —
lumber for building, etc., cut to the sizes usually in demand, or to special sizes as ordered.
Dimension stone —
stone delivered from the quarry rough, but brought to such sizes as are requisite for cutting to dimensions given.