核黃素 Save Sign in to save words Simplified: 核黄素 héhuángsù ㄏㄜˊ ㄏㄨㄤˊ ㄙㄨˋ riboflavin (vitamin B2) Character by character 核(hé)pit 黃(huáng)surname Huang or Hwang 素(sù)raw silk A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0