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posttranslational

adjective

post·​trans·​la·​tion·​al ˌpōs(t)-tran(t)s-ˈlā-sh(ə-)nəl How to pronounce posttranslational (audio)
: occurring or existing after genetic translation

Word History

First Known Use

1973, in the meaning defined above

Time Traveler
The first known use of posttranslational was in 1973

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Cite this Entry

“Posttranslational.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/posttranslational. Accessed 3 Dec. 2025.

Medical Definition

posttranslational

adjective
post·​trans·​la·​tion·​al -tran(t)s-ˈlā-shnəl, -shən-ᵊl How to pronounce posttranslational (audio)
: occurring or existing after genetic translation
posttranslational modification of a molecule
posttranslationally adverb
Last Updated: - Definition revised
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