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Medical Term:

nitrous oxide

Pronunciation: ni'trus oks'id


a nonflammable, nonexplosive gas that will support combustion; widely used as a rapidly acting, rapidly reversible, nondepressant, and nontoxic inhalation analgesic to supplement other anesthetics and analgesics; its anesthetic potency alone at normal atmospheric pressure is inadequate to provide surgical anesthesia.

Synonym(s): dinitrogen monoxide, nitrogen monoxide

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