WordReference Random House Unabridged Dictionary of American English © 2025
co•don  (kōdon),USA pronunciation n. [Genetics.]
  1. Biochemistry, Geneticsa triplet of adjacent nucleotides in the messenger RNA chain that codes for a specific amino acid in the synthesis of a protein molecule. Also called coding triplet. Cf. anticodon.
  • code + -on1 1960–65, American.

'codon' also found in these entries (note: many are not synonyms or translations):

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