衰變 Save Sign in to save words Simplified: 衰变 shuāibiàn ㄕㄨㄞ ㄅㄧㄢˋ radioactive decay Character by character 衰(shuāi)decay 變(biàn)change A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0