dimensionless
Use Dimensionless in a sentence
ʃən, daɪ- noun
1.
Mathematics.
a.
a property of space; extension in a given direction: A straight line has one dimension, a parallelogram has two dimensions, and a parallelepiped has three dimensions.
b.
the generalization of this property to spaces with curvilinear extension, as the surface of a sphere.
c.
the generalization of this property to vector spaces and to Hilbert space.
d.
the generalization of this property to fractals, which can have dimensions that are noninteger real numbers.
e.
extension in time: Space-time has three dimensions of space and one of time.
2.
Usually, dimensions.
a.
measurement in length, width, and thickness.
b.
scope; importance: the dimensions of a problem.
3.
unit ( def 6 ).
4.
magnitude; size: Matter has dimension.
5.
6.
Physics. any of a set of basic kinds of quantity, as mass, length, and time, in terms of which all other kinds of quantity can be expressed; usually denoted by capital letters, with appropriate exponents, placed in brackets: The dimensions of velocity are [LT−1]. Compare dimensional analysis.
7.
dimensions, Informal. the measurements of a woman's bust, waist, and hips, in that order: The chorus girl's dimensions were 38-24-36.
verb (used with object)
9.
to shape or fashion to the desired dimensions: Dimension the shelves so that they fit securely into the cabinet.
10.
to indicate the dimensions of an item, area, etc., on (a sketch or drawing).
00:10
Dimensionless
is always a great word to know.
So is interrobang. Does it mean:
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
Origin:
1375–1425; late Middle English dimensioun (< Anglo-French) < Latin dīmēnsiōn- (stem of dīmēnsiō) a measuring, equivalent to dīmēns(us) measured out (past participle of dīmētīrī, equivalent to dī- di-2 + mētīrī to measure) + -iōn- -ion
1375–1425; late Middle English dimensioun (< Anglo-French) < Latin dīmēnsiōn- (stem of dīmēnsiō) a measuring, equivalent to dīmēns(us) measured out (past participle of dīmētīrī, equivalent to dī- di-2 + mētīrī to measure) + -iōn- -ion
Related forms
di·men·sion·al, adjective
di·men·sion·al·i·ty, noun
di·men·sion·al·ly, adverb
di·men·sion·less, adjective
mul·ti·di·men·sion·al, adjective
Synonyms
2b. range, extent, magnitude.
2b. range, extent, magnitude.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
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Link To dimensionless
Collins
World English Dictionary
dimension (dɪˈmɛnʃən) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| 1. | (often plural) a measurement of the size of something in a particular direction, such as the length, width, height, or diameter |
| 2. | (often plural) scope; size; extent: a problem of enormous dimensions |
| 3. | aspect: a new dimension to politics |
| 4. | maths the number of coordinates required to locate a point in space |
| 5. | physics |
| a. the product or the quotient of the fundamental physical quantities (such as mass, length, or time) raised to the appropriate power in a derived physical quantity: the dimensions of velocity are length divided by time | |
| b. the power to which such a fundamental quantity has to be raised in a derived quantity | |
| —vb | |
| 6. | chiefly (US) (tr) |
| a. to shape or cut to specified dimensions | |
| b. to mark with specified dimensions | |
| [C14: from Old French, from Latin dīmensiō an extent, from dīmētīrī to measure out, from mētīrī] | |
| di'mensional | |
| —adj | |
| dimension'ality | |
| —n | |
| di'mensionally | |
| —adv | |
| di'mensionless | |
| —adj | |
| dimension (dɪˈmɛnʃən) | |
| —n | |
| 1. | (often plural) a measurement of the size of something in a particular direction, such as the length, width, height, or diameter |
| 2. | (often plural) scope; size; extent: a problem of enormous dimensions |
| 3. | aspect: a new dimension to politics |
| 4. | maths the number of coordinates required to locate a point in space |
| 5. | physics |
| a. the product or the quotient of the fundamental physical quantities (such as mass, length, or time) raised to the appropriate power in a derived physical quantity: the dimensions of velocity are length divided by time | |
| b. the power to which such a fundamental quantity has to be raised in a derived quantity | |
| —vb | |
| 6. | chiefly (US) (tr) |
| a. to shape or cut to specified dimensions | |
| b. to mark with specified dimensions | |
| [C14: from Old French, from Latin dīmensiō an extent, from dīmētīrī to measure out, from mētīrī] | |
| di'mensional | |
| —adj | |
| dimension'ality | |
| —n | |
| di'mensionally | |
| —adv | |
| di'mensionless | |
| —adj | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History
dimension
early 15c., from L. dimensionem (nom. dimensio), from stem of dimetri "to measure out," from dis- + metri "to measure." Related: Dimensional; dimensions.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
dimension di·men·sion (dĭ-měn'shən, dī-)
n.
A measure of spatial extent, especially width, height, or length.
Scope or magnitude.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
dimension  (dĭ-měn'shən) Pronunciation Key
|
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences from the web
Note that activities and equilibrium constants are dimensionless numbers.
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