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another name for nitrous oxide

laughing gas laugh·ing gas (lāf’ĭng)
Nitrous oxide, especially as used as an anesthetic.
laughing gas
Nitrous oxide used as a mild anesthetic.


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    noun 1. a North American gull, Larus atricilla, having a high, laughlike call.

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    noun 1. . noun 1. an African hyena, Crocuta crocuta, having a yellowish-gray coat with brown or black spots, noted for its distinctive howl. noun 1. the spotted hyena See hyena

  • Laughing-jackass

    noun 1. . noun 1. another name for kookaburra (sense 1)

  • Laughing matter

    see under no joke

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