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modulus
5 dictionary results for: modulus
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
mod·u·lus       [moj-uh-luhs] Pronunciation Key
–noun, plural -li       [lahy] Pronunciation Key.
1.Physics. a coefficient pertaining to a physical property.
2.Mathematics.
a.that number by which the logarithms in one system are multiplied to yield the logarithms in another.
b.a quantity by which two given quantities can be divided to yield the same remainders.
c.absolute value.
[Origin: 1555–65; < L: a unit of measure; see mode1, -ule]
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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American Heritage Dictionary - Cite This Source - Share This
mod·u·lus       (mŏj'ə-ləs)  Pronunciation Key 
n.   pl. mod·u·li (-lī')
  1. Abbr. m or M Physics A quantity that expresses the degree to which a substance possesses a property, such as elasticity.
    1. Mathematics The absolute value of a complex number.
    2. Abbr. mod A number by which two given numbers can be divided and produce the same remainder.
    3. The number by which a logarithm in one system must be multiplied to obtain the corresponding logarithm in another system.


[Latin, diminutive of modus, measure; see med- in Indo-European roots.]

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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WordNet - Cite This Source - Share This
modulus

noun
1. an integer that can be divided without remainder into the difference between two other integers; "2 is a modulus of 5 and 9" 
2. the absolute value of a complex number 
3. (physics) a coefficient that expresses how much of a specified property is possessed by a specified substance 

WordNet® 3.0, © 2006 by Princeton University.
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The American Heritage Science Dictionary - Cite This Source - Share This
modulus       (mŏj'ə-ləs)  Pronunciation Key 
Plural moduli (mŏj'ə-lī')
  1. A number by which two given numbers can be divided and produce the same remainder.
  2. The numerical length of the vector that represents a complex number. For a complex number a + bi, the modulus is the square root of (a2 + b2).
  3. The number by which a logarithm to one base must be multiplied to obtain the corresponding logarithm to another base.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Modulus

Mod"u*lus\, n.; pl. Moduli. [L., a small measure. See Module, n.] (Math., Mech., & Physics) A quantity or coefficient, or constant, which expresses the measure of some specified force, property, or quality, as of elasticity, strength, efficiency, etc.; a parameter.

Modulus of a machine, a formula expressing the work which a given machine can perform under the conditions involved in its construction; the relation between the work done upon a machine by the moving power, and that yielded at the working points, either constantly, if its motion be uniform, or in the interval of time which it occupies in passing from any given velocity to the same velocity again, if its motion be variable; -- called also the efficiency of the machine. --Mosley. --Rankine.

Modulus of a system of logarithms (Math.), a number by which all the Napierian logarithms must be multiplied to obtain the logarithms in another system.

Modulus of elasticity. (a) The measure of the elastic force of any substance, expressed by the ratio of a stress on a given unit of the substance to the accompanying distortion, or strain. (b) An expression of the force (usually in terms of the height in feet or weight in pounds of a column of the same body) which would be necessary to elongate a prismatic body of a transverse section equal to a given unit, as a square inch or foot, to double, or to compress it to half, its original length, were that degree of elongation or compression possible, or within the limits of elasticity; -- called also Young's modulus.

Modulus of rupture, the measure of the force necessary to break a given substance across, as a beam, expressed by eighteen times the load which is required to break a bar of one inch square, supported flatwise at two points one foot apart, and loaded in the middle between the points of support. --Rankine.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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