definitions
• synonyms

# inverse

[adjective, noun in-vurs, in-vurs; verb in-vurs]
See more synonyms on Thesaurus.com
1. reversed in position, order, direction, or tendency.
2. Mathematics.
1. (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).
2. of or relating to an inverse function.Compare direct(def 16).
3. inverted; turned upside down.
noun
1. an inverted state or condition.
2. something that is inverse; the direct opposite.
3. Mathematics.
1. an element of an algebraic system, as a group, corresponding to a given element such that its product or sum with the given element is the identity element.
2. a point related to a given point so that it is situated on the same radius, extended if necessary, of a given circle or sphere and so that the product of the distances of the two points from the center equals the square of the radius of the circle or sphere.
3. the set of such inverses of the points of a given set, as the points on a curve.
verb (used with object), in·versed, in·vers·ing.
1. to invert.

## Origin of .css-1fxfie5{font-size:22px;}@media (max-width:768px){.css-1fxfie5{font-size:18px;margin:0 10px 10px 0;word-break:break-all;word-wrap:break-word;-webkit-hyphens:auto;-moz-hyphens:auto;-ms-hyphens:auto;hyphens:auto;line-height:22px;}}inverse

1605–15; < Latin inversus, past participle of invertere to turn upside down or inside out, reverse. See in-2, verse
Can be confusedconverse inverse obverse reverse
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Examples from the Web for inverse

### Historical Examples

• #### His lickings are in inverse ratio to the size of the licked.

Talbot Baines Reed

• #### That is of course calculated under the law of the inverse square.

Time and Tide

Robert S. (Robert Stawell) Ball

British Dictionary definitions for inverse

# inverse

1. opposite or contrary in effect, sequence, direction, etc
2. maths
1. (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
2. (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
3. (usually prenominal) upside-down; invertedin an inverse position
noun
1. maths
1. another name for reciprocal (def. 7)
2. an inverse element
2. 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

## Word Origin

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

## Word Origin and History forinverse

mid-15c., from Latin inversus, past participle of invertere (see invert). Related: Inversely. As a noun, 1680s, from the adjective.

Online Etymology Dictionary, © 2010 Douglas Harper

inverse in Science