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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.]


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]


(ˈmɒdʒ ə ləs)

n., pl. -li (lī).
1. a coefficient pertaining to a physical property.
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:
Noun1.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 number
absolute 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 substance
natural 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 characteristic
coefficient of elasticity, elastic modulus, modulus of elasticity - (physics) the ratio of the applied stress to the change in shape of an elastic body


[ˈmɒdjʊləs] n (Math, Phys) → modulo