1
a
: an act, process, or instance of transposing or being transposed
b
: the transfer of a segment of DNA from one site to another in the genome
2
a
: the transfer of any term of an equation from one side over to the other side with a corresponding change of the sign
b
: a mathematical permutation or interchange of two letters or symbols

Examples of transposition in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In the end, Gary got a deep plane facelift, deep necklift, brow lift, lower blepharoplasty with fat transposition and a rhinoplasty. Hedy Phillips, PEOPLE, 16 Sep. 2025 His injury past includes two elbow procedures in high school, for an ulnar nerve transposition and a stress fracture, and another in college to remove a screw from his elbow. Matt Kawahara, Houston Chronicle, 22 Feb. 2026 Among these were melodic concepts like inversion (flipping a tune), transposition (shifting it up or down scales), retrograding (reversal), and translation (movement over time). Andrew Paul, Popular Science, 19 Feb. 2026 In September 2017, Fulmer underwent ulnar nerve transposition surgery in his right elbow. Justice Delos Santos, Mercury News, 14 Mar. 2026 See All Example Sentences for transposition

Word History

Etymology

Anglo-French transposicion, from Medieval Latin transposition-, transpositio, from Latin transponere to transpose

First Known Use

1538, in the meaning defined at sense 1a

Time Traveler
The first known use of transposition was in 1538

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Cite this Entry

“Transposition.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/transposition. Accessed 7 Jul. 2026.

Medical Definition

transposition

noun
: an act, process, or instance of transposing or being transposed: as
a
: the displacement of a viscus to a side opposite from that which it normally occupies
transposition of the heart
b
: the transfer of a segment of DNA from one site to another in the genome either between chromosomal sites or between an extrachromosomal site (as on a plasmid) and a chromosome
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