# 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.

- 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.

## QUIZZES

#### HEED THE VOX POPULI, AND TAKE THIS WORD OF THE DAY QUIZ!

Test your memory on these verbal firecrackers from the week of June 29 to July 5!

Question 1 of 7

anchorite

## Words nearby modulus

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

## Example sentences from the Web for moduli

The moduli of Young and of simple rigidity lend themselves readily to quantitative laboratory experiments.

College Teaching|Paul KlapperThe intensities of the reflected and transmitted lights are the squares of the moduli of these expressions.

“Epidemic” vs. “Pandemic” vs. “Endemic”: What Do These Terms Mean?

What Is The Difference Between “Furlough” vs. “Layoff”?

All Of These Words Are Offensive (But Only Sometimes)

“Affect” vs. “Effect”: Use The Correct Word Every Time

When To Use “Have” vs. “Has”

What Is The Difference Between “It’s” And “Its”?

## British Dictionary definitions for moduli

modulus

/ (ˈmɒdjʊləs) /

### noun plural -li (-ˌlaɪ)

physics a coefficient expressing a specified property of a specified substanceSee bulk modulus, modulus of rigidity, Young's modulus

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

## Scientific definitions for moduli

modulus

[ mŏj′ə-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.

The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.