Meanings
plural initiation codons
- biologyA codon that signals the first amino acid to be used in the synthesis of the polypeptide chain of a protein; either AUG or GUG
Synonyms: start codon
Synonyms & antonyms
nounA codon that signals the first amino acid to be used in the synthesis of the polypeptide chain of a protein; either AUG or GUG
Cite this entry
initiation codon. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/initiation%20codon
“initiation codon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/initiation%20codon. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “initiation codon,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/initiation%20codon.
Source: initiation codon on Wiktionary, CC BY-SA 4.0.