invariant

American  

[in-vair-ee-uhnt] / ɪnˈvɛər i ənt /

adjective

1. unvarying; invariable; constant.

2. Mathematics. normal.

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noun

1. Mathematics. a quantity or expression that is constant throughout a certain range of conditions.

invariant British  

/ ɪnˈvɛərɪənt /

noun

1. maths an entity, quantity, etc, that is unaltered by a particular transformation of coordinates

   a point in space, rather than its coordinates, is an invariant

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adjective

1. maths (of a relationship or a property of a function, configuration, or equation) unaltered by a particular transformation of coordinates

2. a rare word for invariable

Other Word Forms

• invariance
  noun
• invariantly
  adverb

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Etymology

Origin of invariant

First recorded in 1850–55; in- ³ + variant

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Example Sentences

See Examples For:

invariant

Essentially, an ensemble of neurons with mixed selectivity can accommodate many more dimensions of information about a task than a population of neurons with invariant functions.

From Science Daily ● May 10, 2024

We get universal power laws, and the system is scale invariant: if you take a photograph of the fluid flowing through the pores and blow it up, it looks like the original.

From Scientific American ● Sep. 25, 2023

Holding that number invariant required balancing out any population shifts within a state.

From Science Magazine ● Sep. 2, 2021

Every cell could be traced to its immediate forebear and then to the one before that in a series of invariant steps.

From Nature ● Jul. 4, 2017

Second, developmental sequences are not invariant, so examples pigeonholed under the same stage are inevitably heterogeneous.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

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