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веселящий газ stresses
gen.	exhilarant gas; laughing-gas; nitrous oxide
chem.	nitrous gas (igisheva)
chem., med.	dental gas
Makarov.	exhilarant; laughing gas (закись азота)
med.	laughing gas; hyponitrous oxide (MichaelBurov)
sec.sys.	laughing gas gas