名詞 mutation:

1. (biology) an organism that has characteristics resulting from chromosomal alteration
   同義詞：mutant, variation, sport
2. (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism
   同義詞：genetic mutation, chromosomal mutation
3. a change or alteration in form or qualities

1. An individual, an organism, or a new genetic character arising or resulting from mutation.
   突變體由突變而產(chǎn)生的一種新個體、新有機體或者新種
2. The mutations in plants caused by radiation have been found in experiments.
   放射線引起植物變異已在實驗中被證實。
3. Our teacher has mutation of sounds suddenly.
   我們的老師突然語音發(fā)生了變化。

mu.ta.tion

n.（名詞）
The act or process of being altered or changed.
改變：變化、轉(zhuǎn)變的行為或過程
An alteration or change, as in nature, form, or quality.
轉(zhuǎn)變：轉(zhuǎn)變或者變化，比如在本質(zhì)、形式或者質(zhì)量上的變化
Genetics
【遺傳學】
A sudden structural change within a gene or chromosome of an organism resulting in the creation of a new character or trait not found in the parental type.
突變，變種：生物體的基因或者染色體的突變，產(chǎn)生一種父代所沒有的新的特征或者特性
The process by which such a sudden structural change occurs, 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.
突變，變種：突變發(fā)生的過程，是通過基因的脫氧核糖核酸密碼的核苷酸順序的改變或者通過染色體內(nèi)部的物理重新排列
A mutant.
突變體
Linguistics The change, especially an umlaut, that is caused in a sound by its assimilation to another sound.
【語言學】 元音變化，變音：由于一個音被另一個音詞化而導(dǎo)致的變化，尤其是元音的變化

來源：
Middle English mutacioun
中古英語 mutacioun
from Old French mutacion
源自 古法語 mutacion
from Latin môt3tiô môt3tiôn- [from past participle of] môt3re [to change] * see mutate
源自 拉丁語 môt3tiô môt3tiôn- [] 源自môt3re的過去分詞 [變化] *參見 mutate

【引伸】
muta.tional
adj.（形容詞）
muta.tionally
adv.（副詞）