fission

音标:['fiʃәn]
n. 裂开, 分裂, 分体
【化】 裂变
【医】 分裂的; 裂殖的; 核裂变
英汉词典
fission的短语、例句:
fission n[U] 1 splitting of the nucleus of an atom with the release of a large amount of energy 裂变: nuclear fission 核裂变. 2 (biology 生) splitting or division of biological cells as a method of reproduction 分裂生殖.
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