mutations

noun

1. 1.Any alteration or change.
2. 2.Any heritable change of the base-pair sequence of genetic material.
3. 3.A mutant.
4. 4.An alteration 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.
5. 5.A group of thrushes.