Ĕm'py-reu'mă, n.

n. [Gr. ἐμπύρευμα, from ἐμπυρεύειν, to set on fire, from ἔμπυρος; Fr. empyreume. See supra.] (Chem.) The peculiar smell and taste of animal or vegetable substances when burnt in close vessels, arising from an oil developed by the process of decomposition.