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nitrous oxide

   Also found in: Medical, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
nitrous oxide
n.
A colorless, sweet-tasting gas, N2O, used as a mild anesthetic in dentistry and surgery.
nitrous oxide
Noun
Chem a colourless gas used as an anaesthetic
nitrous oxide
A colorless, sweet-smelling gas. It is used as a mild anesthetic, often called laughing gas. Nitrous oxide occurs naturally in the atmosphere and is a greenhouse gas. Chemical formula: N2O.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.nitrous oxidenitrous oxide - inhalation anesthetic used as an anesthetic in dentistry and surgery
laughing gas
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
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The sight of the planet through a telescope is worth all the course on astronomy; the shock of the electric spark in the elbow, outvalues all the theories; the taste of the nitrous oxide, the firing of an artificial volcano, are better than volumes of chemistry.
Essays, Second Series by Emerson, Ralph Waldo View in context
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