from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A measure of spatial extent, especially width, height, or length.
  • n. Extent or magnitude; scope. Often used in the plural: a problem of alarming dimensions.
  • n. Aspect; element: "He's a good newsman, and he has that extra dimension” ( William S. Paley).
  • n. Mathematics The least number of independent coordinates required to specify uniquely the points in a space.
  • n. Mathematics The range of such a coordinate.
  • n. Physics A physical property, such as mass, length, time, or a combination thereof, regarded as a fundamental measure or as one of a set of fundamental measures of a physical quantity: Velocity has the dimensions of length divided by time.
  • transitive v. To cut or shape to specified dimensions.
  • transitive v. To mark with specified dimensions.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A single aspect of a given thing.
  • n. A measure of spatial extent in a particular direction, such as height, width or breadth, or depth.
  • n. A construct whereby objects or individuals can be distinguished.
  • n. The number of independent coordinates needed to specify uniquely the location of a point in a space; also, any of such independent coordinates.
  • n. The number of elements of any basis of a vector space.
  • n. One of the physical properties that are regarded as fundamental measures of a physical quantity, such as mass, length and time.
  • n. Any of the independent ranges of indices in a multidimensional array.
  • n. An alternative universe or plane of existence.
  • v. To mark, cut or shape something to specified dimensions.

from the GNU version of the Collaborative International Dictionary of English

  • n. 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
  • n. Extent; reach; scope; importance.
  • n. The degree of manifoldness of a quantity
  • n. 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.
  • n. The manifoldness with which the fundamental units of time, length, and mass are involved in determining the units of other physical quantities.

from The Century Dictionary and Cyclopedia

  • To measure the dimensions of; proportion.
  • n. Magnitude measured along a diameter; the measure through a body or closed figure along one of its principal axes; length, breadth, or thickness.
  • n. Hence A mode of linear magnitude involved (generally along with others) in the quantity to which it belongs.
  • n. Bulk; size; extent or capacity: commonly in the plural: as, the question is assuming great dimensions.
  • n. That which has extension; matter; especially, the human body and its organs: so often in the plural.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a construct whereby objects or individuals can be distinguished
  • n. one of three Cartesian coordinates that determine a position in space
  • n. magnitude or extent
  • v. indicate the dimensions on
  • v. shape or form to required dimensions
  • n. the magnitude of something in a particular direction (especially length or width or height)


from The American Heritage® Dictionary of the English Language, 4th Edition

Middle English dimensioun, from Latin dīmēnsiō, dīmēnsiōn-, extent, from dīmēnsus, past participle of dīmētīrī, to measure out : dī-, dis-, dis- + mētīrī, to measure.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin dimensio, dimensionis.



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