核酸 Traditional form: 核酸 Pinyin (reading): hésuān Definitions: nucleic acid (coll.) nucleic acid test (abbr. for 核酸檢測/核酸检测 (hésuánjiǎncě)) Characters: 核 - core, kernel; nut, seed; atom 酸 - tart, sour; spoiled; acid Traditional characters: 核 - core, kernel; nut, seed; atom 酸 - tart, sour; spoiled; acid