- Mutation is the act or process of changing into a different form, or someone or something with an odd or unusual form.
- When a woman drinks alcohol when she is pregnant and causes the cells of the fetus to change and morph into abnormal cells, this process of the cells changing is an example of mutation.
- When the cell of a fetus has become irregular or abnormal because of exposure to alcohol or drugs, the abnormality is an example of a mutation.
- a changing or being changed
- a change, as in form, nature, qualities, etc.
- a sudden variation in some inheritable characteristic in a germ cell of an individual animal or plant, as distinguished from a variation resulting from generations of gradual change
- an individual resulting from such variation; mutant
- an abrupt and relatively permanent change in somatic cells that is transmitted only to daughter cells and can be inherited only in plants that reproduce asexually
- umlaut (sense )
- alternation of consonants under specific conditions, as in variations in the initial consonant of a word in Irish and other Celtic languages
Origin of mutationMiddle English mutacioun ; from Old French mutacion ; from Classical Latin mutatio ; from mutare, to change: see miss
- The act or process of being altered or changed.
- An alteration or change, as in nature, form, or quality.
- Genetics a. A change in the nucleotide sequence of the genome of an organism or virus, sometimes resulting in the appearance of a new character or trait not found in the parental type.b. The process by which such a change occurs, either through an alteration in the nucleotide sequence coding for a gene or through a change in the physical arrangement of the genetic material.c. The nucleotide sequence, trait, or individual that results from such a change.
- Linguistics a. A change affecting a sound or a class of sounds, such as back vowels or plosive consonants, through assimilation to another sound, as in the process of umlaut.b. A change affecting a sound or a class of sounds that is conditioned by morphological or syntactic factors rather than purely phonological factors, as in Irish, where certain words cause the lenition of the initial consonants of the following word.
Origin of mutationMiddle English mutacioun, from Old French mutacion, from Latin mūtātiō, mūtātiōn-, from past participle of mūtāre, to change; see mutate.
- Any alteration or change.
- (genetics) Any heritable change of the base-pair sequence of genetic material.
- A mutant.
- (linguistics) 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.
- (rare) A collective noun for a collection of thrushes.