mutation

mutation
noun
[mass noun]
  1. the action or process of mutating
    变化
    the mutation of ethnic politics into nationalist politics.
    种族政治向民族主义政治的改变。
    [count noun]his first novel went through several mutations.
    他的第一部小说改动了好几次。
  2. the changing of the structure of a gene, resulting in a variant form which may be transmitted to subsequent generations, caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes
    (基因结构的)突变
    ■[count noun]a distinct form resulting from such a change
    (基因结构突变产生的)突变体,突变型
  3. (Linguistics)regular change of a sound when it occurs adjacent to another, in particular
    (语言学)语音变异,尤指
    ■(in Celtic languages) change of an initial consonant in a word caused (historically) by the preceding word
    (凯尔特语族)首辅音变异。 参见 lenition
    ■(in Germanic languages) the process by which the quality of a vowel was altered in certain phonetic contexts; umlaut
    (日耳曼语系)元音变化
派生
mutational
adjective
mutationally
adverb
mutative
adjective
语源
  1. late Middle English: from Latin mutatio(n-), from mutare 'to change'
英语宝典
考试词汇表