- mephitis - a poisonous or foul smelling gas emitted from the earth
--1 is a kind of gas
- malodor, malodour, stench, stink, reek, fetor, foetor, mephitis - a distinctive odor that is offensively unpleasant
--2 is a kind of smell, odor, odour, olfactory sensation, olfactory perception
--2 has particulars: niff, pong- Mephitis, genus Mephitis - in some classifications: type genus of the subfamily Mephitinae
--3 is a kind of mammal genus
--3 is a member of Mustelidae, family Mustelidae
--3 has members:striped skunk, Mephitis mephitis; hooded skunk, Mephitis macroura - malodor, malodour, stench, stink, reek, fetor, foetor, mephitis - a distinctive odor that is offensively unpleasant