# modulus

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Related to moduli: Elastic moduli

## mod·u·lus

(mŏj′ə-ləs)
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.
2. Mathematics
a. The square root of the product of a complex number and its complex conjugate.
b. Abbr. mod A natural number used as a specified divisor in modular arithmetic.
c. 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.]

## modulus

(ˈmɒdjʊləs)
n, pl -li (-ˌlaɪ)
1. (General Physics) physics a coefficient expressing a specified property of a specified substance. See bulk modulus, modulus of rigidity, Young's modulus
2. (Mathematics) maths the absolute value of a complex number. See absolute value
3. (Mathematics) maths the number by which a logarithm to one base is multiplied to give the corresponding logarithm to another base
4. (Mathematics) maths an integer that can be divided exactly into the difference between two other integers: 7 is a modulus of 25 and 11. See also congruence2
[C16: from Latin, diminutive of modus measure]

## mod•u•lus

(ˈmɒdʒ ə ləs)

n., pl. -li (lī).
1. a coefficient pertaining to a physical property.
2.
a. 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.
[1555–65; < Latin: a unit of measure; see mode1, -ule]
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 modulus - an integer that can be divided without remainder into the difference between two other integers; "2 is a modulus of 5 and 9"integer, whole number - any of the natural numbers (positive or negative) or zero; "an integer is a number that is not a fraction" 2 modulus - the absolute value of a complex numberabsolute value, numerical value - a real number regardless of its sign 3 modulus - (physics) a coefficient that expresses how much of a specified property is possessed by a specified substancenatural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"coefficient - a constant number that serves as a measure of some property or characteristiccoefficient of elasticity, elastic modulus, modulus of elasticity - (physics) the ratio of the applied stress to the change in shape of an elastic body
Translations

## modulus

[ˈmɒdjʊləs] n (Math, Phys) → modulo
References in periodicals archive ?
Objective: Moduli spaces are spaces which describe all mathematical objects of some type.
Five review articles and eight research articles document a June 2013 conference in Kyoto on the development of moduli theory.
The average shear moduli in the tumor and surrounding tissue were compared at each compression level up to 30%.
In DMA measurements, this is broken into in-phase and out-of-phase components, resulting in the calculation of storage or elastic moduli (E') and loss, or viscous, moduli (E") from a measured stiffness [2], Additionally the ratio of the loss to storage modulus is the tan [delta] and is one of the basic properties measured by DMA; some early instruments only recorded tan [delta] [1].
Poisson's ratio and elastic moduli of Chorgali Formation are calculated from Seismic data.
Compact moduli spaces and vector bundles; proceedings.
However, the results obtained indicated that the analysis method influenced the measured values of these moduli.
In this paper, we have defined four sets of moduli for which the folding developed in [3] can be more speedily realized.
TENSILE AND CREEP MODULI FOR ACETAL COPOLYMER Time Scale Modulus, MPa Tensile Modulus 2758 Creep Modulus, 1 hr 2448 Creep Modulus, 1000 hr 1352
Three-point bending, tensile, and nanoindentation tests were conducted to determine the Young's moduli of the materials, and the microstructures in the coating were investigated using SEM and X-ray diffraction (XRD).
Algebraic and arithmetic structures of moduli spaces; proceedings.

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