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

Rhymes for posttranslational

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Browse Nearby Words

posttransfusion
posttranslational
post-traumatic
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Cite this Entry

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

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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
-ē How to pronounce posttranslational (audio)
adverb
Last Updated: - Definition revised
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