n.
Pronunciation: myü- ' t ā -sh ə n
Function: noun
Date: 14th century
1 : a significant and basic alteration : CHANGE
2 : UMLAUT
3 a : a relatively permanent change in hereditary material involving either a physical change in chromosome relations or a biochemical change in the codons that make up genes also : the process of producing a mutation b : an individual, strain, or trait resulting from mutation
– mu · ta · tion · al \ -shn ə l, -sh ə -n ə l \ adjective
– mu · ta · tion · al · ly adverb