pyrene
/ˈpaɪriːn/noun
mass noun
1- Chemistry a crystalline aromatic hydrocarbon present in coal tar.【化】芘, 嵌二萘。
1.1
- A tetracyclic compound; chemical formula: C16H10.四环化合物; 化学分子式： C16H10.
词源
mid 19th cent.: from Greek pur 'fire' + -ENE.