empyreuma
noun
em·py·reu·ma
| \ ˌem-pə-ˈrü-mə
, -ˌpī-
\
, -ˌpī-
\
plural empyreumata\ -mət-ə
\
\
Medical Definition of empyreuma
: the peculiar odor of the products of organic substances burned in closed vessels