- Main Entry:
- co·don

- Pronunciation:
-
\ˈkō-ˌdän\
- Function:
- noun
- Etymology:
- 1code + 2-on
- Date:
- 1963
: a specific sequence of three consecutive nucleotides that is part of the genetic code and that specifies a particular amino acid in a protein or starts or stops protein synthesis —called also triplet