Definition of codon in English:

codon

noun

Biochemistry
  • A sequence of three nucleotides that together form a unit of genetic code in a DNA or RNA molecule.

    • ‘Biochemistry may explain why most of the exceptions to the genetic code involve stop codons.’
    • ‘An organism is defined through the set of preferred codons shaping its genome.’
    • ‘Due to the redundant nature of codons, the genetic code shows a significant level of neutrality.’
    • ‘In effect, the DNA blueprint is a succession of code words, each consisting of a set of three nucleotides, known as codons, in the gene.’
    • ‘We split the observable changes in the aligned codons in the two sequences into a number of disjoint groups.’

Origin

1960s: from code + -on.

Pronunciation:

codon

/ˈkōdän/