mephitical

Me*phit"ic, Me*phit"ic*al, a. Etym: [L. mephiticus, fr. mephitis mephitis: cf. F. méphitique.] 1. Tending to destroy life; poisonous; noxious; as, mephitic exhalations; mephitic regions. 2. 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.

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