car·cin·o·gen
noun/kɑːˈsɪnədʒən/
/kɑːrˈsɪnədʒən/
- a substance that can cause cancer
致癌物 - known/potential/suspected carcinogens
已知/潜在/疑似致癌物 - exposure to chemical carcinogens in cigarette smoke
接触香烟烟雾中的化学致癌物质
Word Originmid 19th cent.: from an abbreviation of carcinoma + -gen. - known/potential/suspected carcinogens