The quality of being constant; steadiness or faithfulness in action, affections, purpose, etc.
An unchanging quality or characteristic of a person or thing.
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.
A group of thrushes.
Any alteration or change.
A mutant.
Any heritable change of the base-pair sequence of genetic material.