mu·ta·tion
(myōō-tā́shən)
[Middle English mutacioun, from Old French mutacion, from Latin mūtātiō, mūtātiōn-, from past participle of mūtāre, to change; see mutate.]
noun
- The act or process of being altered or changed.
- An alteration or change, as in nature, form, or quality.
- Genetics
- A change of the DNA sequence within a gene or chromosome of an organism resulting in the creation of a new character or trait not found in the parental type.
- The process by which such a change occurs in a chromosome, either through an alteration in the nucleotide sequence of the DNA coding for a gene or through a change in the physical arrangement of a chromosome.
- A mutant.
- Linguistics The change that is caused in a sound by its assimilation to another sound, such as umlaut.
derivatives
- mu·tátion·al
- adjective
- mu·tátion·al·ly
- adverb