fission

名词 fission:

1. a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
   同义词：nuclear fission
2. reproduction of some unicellular organisms by division of the cell into two more or less equal parts

1. A substance, such as water or graphite, that is used in a nuclear reactor to decrease the speed of fast neutrons and increase the likelihood of fission.
   慢化剂一种物质，如水或石墨在核反应堆中用来减缓中子运动速度和提高裂变可能性的物质

fis.sion

n.（名词）
The act or process of splitting into parts.
分裂，裂开：裂成几个部分的行动或过程
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 00 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00万到几百万电子伏的能量
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

来源：
Latin fissiô fissiôn- [a cleaving]
拉丁语 fissiô fissiôn- [分裂]
from fissus [split] * see fissi-
源自 fissus [裂开] *参见 fissi-