laughing gas

laughing gas

noun

Definition of LAUGHING GAS

: nitrous oxide

First Known Use of LAUGHING GAS

1842

Rhymes with LAUGHING GAS

biogas, biomass, bottled gas, cabin class, channel bass, cocktail glass, come to pass, demitasse, dressing glass, fiberglass, forward pass, gallowglass, gravitas, Hallowmas, hippocras, isinglass, lemongrass, looking glass, Loveland Pass, lower-class, master class, middle-class, Montparnasse, opera glass, outlet pass, overclass, overpass, Plexiglas, Rogers Pass, ruby glass, safety glass, sassafras, second-class, shovel pass, solar mass, solemn mass, superclass, tourist class, underclass, underpass, upper-class, votive mass, water glass, weatherglass, working-class