0 nitrous oxide specialized : a type of gas that is used as an anaesthetic (= a substance that stops pain) --
Nitrogen, argon, carbon dioxide and nitrous oxide (laughing gas) are often used as propellants for air chocolate.
They often held theatres for laughing gas evenings, where members would watch as fellows would sup nitrous oxide and stumble around the stage.
The dentist prepares the nitrous oxide anaesthesic (also known commonly as laughing gas due to its effects prior to and after unconsciousness).
It delivers a mixture of nitrous oxide (laughing gas) and oxygen.
Bassie proves immune to the tear-gas as he's had an overdose of laughing gas.
At greater depths, however, nitrogen affects the brain in precisely the same way as nitrous oxide (also known as laughing gas).
Many different sized vats filled with laughing gas stand on the left.
The mechanism is similar to that of nitrous oxide, or laughing gas, administered as anesthesia.
