butyroin

Century Dictionary and Cyclopedia

1. n. Octanol–4–1–5, C₃H₇COCHOHC₃H₇. It is an oil which can be distilled with slight decomposition under a low pressure.

Wiktionary

1. n. organic chemistry The compound 5-hydroxy-4-octanone, having a buttery, nutty aroma, that is used in perfumery and flavouring