mu·ta·tion 
/mjuˈteɪʃən/ noun
plural mu·ta·tions /mjuˈteɪʃən/ noun 1 biology : a change in the genes of a plant or animal that causes physical characteristics that are different from what is normal [noncount] ▪ The cat's short tail is the result of mutation. [count] ▪ The condition is caused by a genetic mutation. ▪ The cat's short tail is the result of a mutation. ▪ mutations in mice 2 [count] : a new form of something that has changed
▪ The building is a mutation of the original design.
▪ The building is a mutation of the original design.
— mu·ta·tion·al /mjuˈteɪʃənl̟/ adjective
▪ a mutational change
/mjuˈteɪʃənl̟/ adjective ▪ a mutational change
