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laugh·ing gas(lăf′ĭng, lä′fĭng)
Nitrous oxide, especially as used as an anesthetic.
(Elements & Compounds) another name for nitrous oxide
a colorless, sweet-smelling gas, N2O, that may induce euphoria when inhaled: used for mild anesthesia.
Nitrous oxide used as a mild anesthetic.
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|Noun||1.||laughing gas - inhalation anesthetic used as an anesthetic in dentistry and surgery|
inhalation anaesthetic, inhalation anesthetic, inhalation general anaesthetic, inhalation general anesthetic - a gas that produces general anesthesia when inhaled
ammonium nitrate - used as an explosive and fertilizer and rocket propellant