lipovaccine
noun
li·po·vac·cine
| \ ˌlip-ō-vak-ˈsēn
, ˌlī-pō-
, -ˈvak-ˌsēn\
, ˌlī-pō-
, -ˈvak-ˌsēn\
Medical Definition of lipovaccine
: a vaccine whose fluid medium is an oil