# Dictionary Definition

inverse adj

1 reversed (turned backward) in order or nature
or effect [syn: reverse]

2 opposite in nature or effect or relation to
another quantity ; "a term is in inverse proportion to another term
if it increases (or decreases) as the other decreases (or
increases)" [ant: direct]
n : something inverted in sequence or character or effect; "when
the direct approach failed he tried the inverse" [syn: opposite]

# User Contributed Dictionary

## English

### Adjective

- Having the properties of an inverse.

### Noun

- The reverse version
of a procedure
- Removing one's shoes is the inverse of putting one's shoes on

- An element of an algebraic structure, which yields the identity when applied to a
given element.
- The inverse of 2 under addition is -2, under multiplication it is 1/2.

- A function which when composed with a given function yields the identity function.
- In the context of "logic": A statement constructed from the negatives of the premise and conclusion of some other statement.

#### Translations

- Japanese: あべこべ (abekobe)
- Swedish: invers c
- Dutch: inverse, omgekeerd, tegenovergestelde

### Verb

## Italian

### Adjective

inverse- Feminine plural form of inverso

# Extensive Definition

Inverse or Inversion may refer to:

- Inverse (program), a program for solving Inverse and Optimization problems
- Inversion (music)
- Inversion (prosody), the reversal of the order of a foot's elements
- Inversion (linguistics)
- Inversion (law), reincorporation by a firm in a different country e.g. to save taxes

- Inversion in postcolonial theory, a discursive strategy/gesture in cultural and subaltern studies
- Invert, a bmx trick
- Inverted pyramid, a way to arrange information in a news story
- Inverted sugar syrup

- Anastrophe, a literary device
- Mirror image
- Roller coaster inversions, which turn riders upside-down

- Inversion therapy, the practise of hanging upside down (heart higher than head) for supposed health benefits.

## Science and Mathematics

- Inversion (kinesiology), movement of the sole towards the median plane
- Inverse (mathematics)
- Inversive geometry, transformation geometry based on inversion in a circle
- Method of inversion, the image of a harmonic function in a sphere (or plane).
- Inverse problem, in science and mathematics, fitting a model to known data
- Inversion (geology), the relative uplift of a previously basinal area resulting from local shortening, in structural geology
- Inversion (meteorology), air temperature increasing with height
- Inversion (nuclear), the "island of inversion", a group of elements with abnormal nuclear shell structure
- Chromosomal inversion, where a segment of a chromosome is reversed end to end
- Nitrogen inversion, a chemical process in which a trigonal nitrogen-containing structure turns inside-out
- Population inversion, in statistical mechanics, when a system exists in state with more members in an excited state than in lower energy states
- Sexual inversion, in biology, the switching from one sex to the opposite among some animal species.
- Sexual inversion (sexology), a term for reversal of gender roles, usually implying homosexuality, found primarily in older scientific literature
- Inversion (linguistics), a term referring to a number of different distinct grammatical constructions found in the languages of the world.

## Technology

- Inverse multiplexer (or 'demultiplexer'), which breaks a single data stream into several streams with lower data rates
- Inverter (electrical), which converts direct current to alternating current
- Inverter (logic gate) (or 'NOT gate')
- Priority inversion, in which a low-priority task holds a shared resource that a high-priority task needs

## See also

- Antonym, word pairs that are opposite in meaning
- Introversion and extroversion
- Inverse-square law, something is inversely proportional to the square of the distance
- Inverted river delta, the narrow end on the seafront, the wide end located further inland
- Obverse and reverse, in coins
- Opposite
- Reverse
- Reverse perspective, in art, the further the object, the larger it is drawn
- Voice inversion, a method of scrambling communications

inverse in Czech: Inverze

inverse in Danish: Invers

inverse in German: Inversion

inverse in French: Inversion

inverse in Indonesian: Invers

inverse in Italian: Inversione

inverse in Dutch: Inversie

inverse in Polish: Inwersja

inverse in Portuguese: Inversão

inverse in Simple English: Inverse

inverse in Finnish: Inversio

inverse in Swedish: Reciprok

inverse in Ukrainian: Обернення

# Synonyms, Antonyms and Related Words

adversative, adverse, adversive, antagonistic, anti, antipathetic, antipodal, antipode, antipodes, antipole, antithesis, antithetic, antonym, antonymous, at
cross-purposes, balancing, change, clashing, compensating, conflicting, confronting, contra, contradictory, contradistinct, contrapositive, contrarious, contrary, contrasted, converse, counter, counterbalance, counterbalancing,
countercheck,
counterpoint,
counterpoise,
counterpoised,
counterpole,
counterterm,
countervailing,
dead against, discordant, discrepant, eyeball to
eyeball, eyeball-to-eyeball, facing, foil, heads, hostile, inconsistent, inimical, invert, obverse, offset, opposed, opposing, opposite, opposite number,
opposite side, oppositional, oppositive, oppugnant, other face, other
side, perverse,
polar, polaric, polarized, repugnant, reverse, revert, setoff, squared off, tails, the contrary, the other
side, transplace,
transpose, turn, vis-a-vis