Me*phit"ic (?), Me*phit"ic*al (?), a. [L. mephiticus, fr. mephitis mephitis: cf. F. m'ephitique.]
Tending to destroy life; poisonous; noxious; as, mephitic exhalations; mephitic regions.
Offensive to the smell; as, mephitic odors.
Mephitic air Chem., carbon dioxide; -- so called because of its deadly suffocating power. See Carbonic acid, under Carbonic.
© Webster 1913.