0 nitrous oxide specialized : a type of gas that is used as an anaesthetic (= a substance that stops pain)
The laughing gas spreads the room, making a cuckoo clock and a typewriter laugh hysterically.
The building was used for a wide variety of purposes, including the first demonstration of nitrous oxide (laughing gas) as an anesthetic.
It was "laughing gas", and you got a great "kick" out of doing this.
Is it true that the plant in question produces laughing gas?
The laughing gas then goes out the window and spreads into town.
They manage to work their way into both the x-ray and operating rooms, and become subdued after inhaling some powerful laughing gas.
The gaseous oxide of azote (the laughing gas) is perfectly respirable when pure.
The mechanism is similar to that of nitrous oxide, or laughing gas, administered as anesthesia.
