nitrous+gas
61greenhouse gas — /ˈgrinhaʊs gæs/ (say greenhows gas) noun one of a number of gases found in the atmosphere that contribute to the greenhouse effect. Abbrev.: GHG Greenhouse gases absorb and hold the heat in the earth s lower atmosphere. In that sense, they have… …
62laughing gas — n. nitrous oxide used as an anesthetic: so called from the laughter and exhilaration that inhaling it may produce * * * …
63Greenhouse gas — Any gas that absorbs infra red radiation in the atmosphere. Greenhouse gases include water vapor, carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), halogenated fluorocarbons (HCFCs) , ozone (O3), perfluorinated carbons (PFCs), and… …
64exhilarating-gas — n. Nitrous oxide, protoxide of nitrogen, laughing gas …
65laughing-gas — n. Nitrous oxide, protoxide of nitrogen, exhilarating gas …
66laughing gas — UK [ˈlɑːfɪŋ ˌɡæs] / US [ˈlæfɪŋ ˌɡæs] noun [uncountable] informal the gas nitrous oxide used in the past by doctors and dentists to prevent people feeling pain during a medical operation …
67laughing gas — laugh′ing gas n. chem. pha nitrous oxide • Etymology: 1835–45 …
68laughing gas — /ˈlafɪŋ gæs/ (say lahfing gas) noun nitrous oxide, N2O, which when inhaled sometimes produces exhilarating effects, used as an anaesthetic in dentistry, minor surgery, etc …
69laughing gas — n. nitrous oxide used as an anesthetic: so called from the laughter and exhilaration that inhaling it may produce …
70laughing gas — noun Date: 1842 nitrous oxide …
