de·gen·er·a·cy 
(dĭ-jĕnər-ə-sē)
(dĭ-jĕnər-ə-sē)n. pl. de·gen·er·a·cies
1.
a. The process of degenerating.
b. The state of being degenerate.
2. Genetics The presence in the genetic code of multiple codons for the same amino acid. Also called redundancy.