modulus

[ moj-uh-luh s ]
/ ˈmɒdʒ ə ləs /

noun, plural mod·u·li [moj-uh-ahy] /ˈmɒdʒ ə aɪ/.

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

Origin of modulus

1555–65; < Latin: a unit of measure; see mode1, -ule
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

modulus

/ (ˈmɒdjʊləs) /

noun plural -li (-ˌlaɪ)

physics a coefficient expressing a specified property of a specified substance
maths the absolute value of a complex number
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 for modulus

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

[ mŏjə-ləs ]

Plural moduli (mŏj′ə-lī′)

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.