释义 |
WordReference Random House Learner's Dictionary of American English © 2024mu•ta•tion /myuˈteɪʃən/USA pronunciation n. - Genetics[Biology.]
- sudden departure or change from the parent type, seen in offspring in one or more characteristics that have been inherited, caused by a change in a gene or a chromosome: [uncountable]Mutation can sometimes benefit a species.[countable]Some mutations may result in a change of color.
- [countable] an individual, species, or the like resulting from such a change:a mutation that was much bigger than the rest.
- a change or alteration, as in form or nature: [uncountable]the possibility of social mutation.[countable]economic mutations and other financial shifts.
mu•ta•tion•al, adj. See -mut-. WordReference Random House Unabridged Dictionary of American English © 2024mu•ta•tion (myo̅o̅ tā′shən),USA pronunciation n. - Genetics[Biol.]
- a sudden departure from the parent type in one or more heritable characteristics, caused by a change in a gene or a chromosome.
- an individual, species, or the like, resulting from such a departure.
- the act or process of changing.
- a change or alteration, as in form or nature.
- Phonetics, Linguisticsumlaut.
- Linguistics(in Celtic languages) syntactically determined morphophonemic phenomena that affect initial sounds of words.
- Latin mūtātion- (stem of mūtātiō) a changing. See mutate, -ion
- Middle English mutacio(u)n 1325–75
mu•ta′tion•al, adj. mu•ta′tion•al•ly, adv. |