posttranscriptional

adjective

: occurring, acting, or existing after genetic transcription

Word History

First Known Use

1969, in the meaning defined above

Time Traveler
The first known use of posttranscriptional was in 1969

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Cite this Entry

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

Medical Definition

posttranscriptional

adjective
: occurring, acting, or existing after genetic transcription
posttranscriptional control of messenger-RNA production
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