ˌempə̇ˈrümə, -pēˈ-, -ˌpīˈ- noun
( plural empyreuma·ta -məd.ə)
Etymology: Greek, live coal covered with ashes, from empyreuein to light a fire, from em- en- (II) + pyreuein to light, from pyr
: the peculiar odor of the products of organic substances burned in closed vessels