invariance

noun
in·​vari·​ance | \ (ˌ)in-ˈver-ē-ən(t)s How to pronounce invariance (audio) \

Definition of invariance

: the quality or state of being invariant

Examples of invariance in a Sentence

Recent Examples on the Web The original Laughlin's pump argument, which used adiabatic evolution and gauge invariance to deduce a return to the original state of the system after one cycle, did not work with QAC. Spyridon Michalakis, Scientific American, "How Scientists Solved One of the Greatest Open Questions in Quantum Physics," 1 Aug. 2020 After each cycle, the quantum system would return to its original state as the result of a phenomenon known as gauge invariance. Spyridon Michalakis, Scientific American, "How Scientists Solved One of the Greatest Open Questions in Quantum Physics," 1 Aug. 2020 Violating these conditions — called charge and parity invariance, C and P for short — would cause matter and antimatter to act differently. Dennis Overbye, New York Times, "Why the Big Bang Produced Something Rather Than Nothing," 15 Apr. 2020 The secret to the link is in modularity and invariance in the equations representing the curves. Caroline Delbert, Popular Mechanics, "String Theory and Number Theory Have More in Common Than You Think, Maaaaaan," 2 Mar. 2020 Noether showed that the symmetries of general relativity — its invariance under transformations between different reference frames — ensure that energy is always conserved. Quanta Magazine, "The Simple Idea Behind Einstein’s Greatest Discoveries," 26 June 2019 The nesting-doll feature — called discrete scale invariance — arose from a symmetry in the equation describing the forces between three particles. Quanta Magazine, "Physicists Prove Surprising Rule of Threes," 27 May 2014 LeCun tells Science that translational invariance, too, could eventually emerge on its own with better general learning mechanisms. Matthew Hutson, Science | AAAS, "How researchers are teaching AI to learn like a child," 24 May 2018 Translational invariance is the principle behind convolutional neural networks, or convnets, LeCun's greatest claim to fame. Matthew Hutson, Science | AAAS, "How researchers are teaching AI to learn like a child," 24 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'invariance.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of invariance

1878, in the meaning defined above

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The first known use of invariance was in 1878

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Cite this Entry

“Invariance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/invariance. Accessed 27 Jan. 2021.

More from Merriam-Webster on invariance

Britannica.com: Encyclopedia article about invariance

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