碳原子 Traditional form: 碳原子 Pinyin (reading): tànyuánzǐ Definitions: carbon atom Characters: 碳 - carbon 原 - source, origin, beginning 子 - son, child; seed, egg; fruit; small thing Traditional characters: 碳 - carbon 原 - source, origin, beginning 子 - son, child; seed, egg; fruit; small thing