mephitis

Definition of Mephitis in English :

1. mephitis

a poisonous or foul smelling gas emitted from the earth

a distinctive odor that is offensively unpleasant

3. genus mephitis, mephitis

in some classifications: type genus of the subfamily Mephitinae

WordNet Lexical Database for English. Princeton University. 2010.

Mephitis

noun

a gaseous discharge, esp from the earth, with a foul or poisonous smell

noun

1.

a harmful, bad-smelling vapor from the earth, as the exhalation from decomposing organic matter or poisonous gas from a mine

2.

a bad smell; stench

n.

1. An offensive smell; a stench.

2. A poisonous or foul-smelling gas emitted from the earth.