# inverse

[ adjective, noun in-vurs, in-vurs; verb in-vurs ]

/ adjective, noun ɪnˈvɜrs, ˈɪn vɜrs; verb ɪnˈvɜrs /

### adjective

reversed in position, order, direction, or tendency.

Mathematics.

- (of a proportion) containing terms of which an increase in one results in a decrease in another. A term is said to be in inverse proportion to another term if it increases (or decreases) as the other decreases (or increases).
- of or relating to an inverse function.Compare direct (def. 16).

inverted; turned upside down.

### noun

### verb (used with object), in·versed, in·vers·ing.

to invert.

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## Origin of inverse

## Words nearby inverse

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

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## British Dictionary definitions for inverse

inverse

/ (ɪnˈvɜːs, ˈɪnvɜːs) /

### adjective

opposite or contrary in effect, sequence, direction, etc

maths

- (of a relationship) containing two variables such that an increase in one results in a decrease in the otherthe volume of a gas is in inverse ratio to its pressure
- (of an element) operating on a specified member of a set to produce the identity of the set: the additive inverse element of x is –x, the multiplicative inverse element of x is 1/x

(usually prenominal) upside-down; invertedin an inverse position

### noun

maths

- another name for reciprocal (def. 7)
- an inverse element

logic a categorial proposition derived from another by changing both the proposition and its subject from affirmative to negative, or vice versa, as all immortals are angels from no mortals are angels

## Derived forms of inverse

inversely, adverb## Word Origin for inverse

C17: from Latin inversus, from invertere to invert

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 inverse

inverse

### Adjective

Relating to a mathematical operation whose nature or effect is the opposite of another operation. For example, addition and subtraction are inverse operations, as are multiplication and division.

### Noun

An inverse operation. Subtraction is the inverse of addition.

Either of a pair of elements in a set whose result under the mathematical operation of the set is the identity element. For example, the inverse of 5 under multiplication is 15, since 5 X 15 = 1, the identity element under multiplication. The inverse of 5 under addition is -5, since 5 + -5 = 0.

The American Heritage® Science Dictionary
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