肉毒素 Traditional form: 肉毒素 Pinyin (reading): ròudúsù Definitions: botulinum toxin (abbr. for 肉毒桿菌毒素/肉毒杆菌毒素 (ròudúgǎnjūndúsù)) Characters: 肉 - meat; flesh 毒 - poison, venom; drug, narcotic 素 - plain; white; vegetarian; formerly; normally Traditional characters: 肉 - meat; flesh 毒 - poison, venom; drug, narcotic 素 - plain; white; vegetarian; formerly; normally