mutation

1. Any alteration or change. (countable, uncountable)
2. Any heritable change of the base-pair sequence of genetic material. (countable, uncountable)
3. A mutant. (countable, uncountable)
4. An alteration in a particular sound of a word, especially the initial consonant, which is triggered by the word's morphological or syntactic context and not by its phonological context. (countable, uncountable)
5. The transfer of title of an asset in a register. (countable, uncountable)

Plural mutations