[mass noun]the quality of being made up of exactly similar parts facing each other or around an axis 对称(性) this series has a line of symmetry through its centre. 这个系列在中间有一条对称线。 a crystal structure with hexagonal symmetry. 六边对称的水晶体。 ■correct or pleasing proportion of the parts of a thing 匀称 an overall symmetry making the poem pleasant to the ear. 使这首诗读起来十分悦耳的总体对仗。 ■similarity or exact correspondence between different things (不同事物之间的)对等(或相似) families where there is symmetry between husband and wife on the paid job dimension. 丈夫和妻子工资水平相差无几的家庭。 [count noun]history sometimes exhibits weird symmetries between events. 历史有时候表现出令人不可思议的相似性。 ■[count noun](Physics & Mathematics)a law or operation where a physical property or process has an equivalence in two or more directions (物理,数)对称
派生 symmetrize verb
(亦作 -ise)
语源
mid 16th cent. (denoting proportion): from French symétrie or Latin symmetria, from Greek, from sun- 'with' + metron 'measure'