質子 Save Sign in to save words Simplified: 质子 zhìzǐ ㄓˋ ㄗˇ proton (positively charged nuclear particle) a prince sent to be held as a hostage in a neighbouring state in ancient China Character by character 質(zhì)character 子(zǐ)son A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0