intron

I1N1T1R1O1N1
UK/ˈɪntɹɒn/

noun

A portion of a split gene that is included in pre-RNA transcripts but is removed during RNA processing and rapidly degraded.

Similar
noncoding DNA
Opposite
Less commonScrabble 6

Meanings

nounintron (plural introns)

plural introns

  1. biologyA portion of a split gene that is included in pre-RNA transcripts but is removed during RNA processing and rapidly degraded.

    It is a medium-sized gene, then, interrupted by five longish introns.

    1999, Matt Ridley, Genome, Harper Perennial, published 2004, page 138

Synonyms & antonyms

nounsequence of a eukaryotic gene's DNA that is not translated into a protein

Similar
noncoding DNA
Opposite

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

Translations

Chinese Mandarin 内含子
  • 内含子 (nèihánzǐ)genetics: portion of a split gene that is included in pre-RNA transcripts but is removed during RNA processing
French intron
  • introngenetics: portion of a split gene that is included in pre-RNA transcripts but is removed during RNA processing
Hungarian intron
  • introngenetics: portion of a split gene that is included in pre-RNA transcripts but is removed during RNA processing
Icelandic innröð
  • innröðgenetics: portion of a split gene that is included in pre-RNA transcripts but is removed during RNA processing
Italian introne
  • intronegenetics: portion of a split gene that is included in pre-RNA transcripts but is removed during RNA processing
Portuguese íntron
  • íntrongenetics: portion of a split gene that is included in pre-RNA transcripts but is removed during RNA processing
Russian интро́н
  • интро́н (intrón)genetics: portion of a split gene that is included in pre-RNA transcripts but is removed during RNA processing
Spanish intrón
  • intróngenetics: portion of a split gene that is included in pre-RNA transcripts but is removed during RNA processing
Swedish intron
  • introngenetics: portion of a split gene that is included in pre-RNA transcripts but is removed during RNA processing
Turkish intron
  • introngenetics: portion of a split gene that is included in pre-RNA transcripts but is removed during RNA processing
Cite this entry
APA

intron. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/intron

MLA

“intron.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/intron. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “intron,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/intron.

Source: intron on Wiktionary, CC BY-SA 4.0.