Chem. Also styrole. [f. STYR-AX + -OL.] An oil obtained from storax and the resin of balsam of Peru; oil of storax.
1845. Builder, 28 June, 312/1. Styrole is a volatile oil, obtained by distilling the balsam styrax or storax, although only in small quantity, and has a general analogy to benzoin.
1871. Garrod, Mat. Med. (ed. 3), 270. Styrol (C8H8), a colourless oil, of an aromatic odour.