Added 9 October 2026
exon
/ˈɛksɑn/ noun
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about exon at Wordnik → Where our words come from →
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Sequence of a gene's DNA that transcribes into protein structures.
exons are interspersed with introns
Origin
Apparently an attempt to express the pronunciation of French exempt.
From Wiktionary, via Kaikki.org (CC BY-SA)