# modulus

[moj-uh-luh s]

- Physics. a coefficient pertaining to a physical property.
- Mathematics.
- that number by which the logarithms in one system are multiplied to yield the logarithms in another.
- a quantity by which two given quantities can be divided to yield the same remainders.
- absolute value.

## Origin of modulus^{}

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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Examples from the Web for modulus

### Historical Examples

#### That least distance is called by Moseley the modulus of stability.

#### Here λ and μ are constants, each being a modulus of elasticity.

The New Gresham EncyclopediaVarious

#### Young's modulus is employed in the cases of stretching and bending.

The New Gresham EncyclopediaVarious

#### An ear but moderately learned in that language cannot be deceived as to the rate and modulus of the suffering which it indicates.

The Posthumous Works of Thomas De Quincey, Vol. 1 (2 vols)Thomas De Quincey

#### It will be observed that in the first process the value of the modulus is in fact calculated from the formula.

# modulus

- physics a coefficient expressing a specified property of a specified substanceSee bulk modulus, modulus of rigidity, Young's modulus
- maths the absolute value of a complex numberSee absolute value
- maths the number by which a logarithm to one base is multiplied to give the corresponding logarithm to another base
- maths an integer that can be divided exactly into the difference between two other integers7 is a modulus of 25 and 11 See also congruence (def. 2)

## Word Origin

C16: from Latin, diminutive of modus measure

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

# modulus

[mŏj′ə-ləs]

- A number by which two given numbers can be divided and produce the same remainder.
- 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).
- 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
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