| 单词 | fission |
| 释义 | fission['fiʃən]n. 裂开, 分裂, 分体【化】 裂变【医】 分裂的; 裂殖的; 核裂变 fission fis.sion AHD: [f¹sh“…n] D.J. [6f!.*n]K.K. [6f!.*n]n.（名词）1. The act or process of splitting into parts.分裂，裂开：裂成几个部分的行动或过程2. A nuclear reaction in which an atomic nucleus, especially a heavy nucleus such as an isotope of uranium, splits into fragments, usually two fragments of comparable mass, with the evolution of from 100 million to several hundred million electron volts of energy.裂变：一种如铀的同位素等重核的原子核核反应，通常分裂成两个质量相近的碎片并能释放出100万到几百万电子伏的能量3. Biology An asexual reproductive process in which a unicellular organism divides into two or more independently maturing daughter cells.【生物学】 裂殖，分裂生殖：单细胞组织分裂成两个或多个独立的成熟子细胞的无性生殖过程语源:1. Latin fissi½ fissi½n- [a cleaving] 拉丁语 fissi½ fissi½n- [分裂] 2. from fissus [split] * see fissi- 源自 fissus [裂开] *参见 fissi- |
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