weak interaction

weak-interaction的词性：
n.（名词）

1. A fundamental interaction between elementary particles that is several orders of magnitude weaker than the electromagnetic interaction and is responsible for some particle decay, nuclear beta decay, and neutrino absorption and emission.Also called weak force
弱相交互作用：基本粒子间的基本相互作用。此作用比电磁作用弱几个数量级。对一些粒子衰变、核贝塔衰变和中微子的吸收和放射起作用也作 weak force