Nitrous oxide is a colourless gas. It has two nitrogen atoms & one oxygen atom shortened as N2O. Nitrous oxide is commonly used for anesthesia & pain relief by medical doctors and dentists. It has also been misused by people for recreational reasons.
Another use for nitrous oxide gas is as a fuel booster in cars. Nitrous oxide is not flammable at cooler temperatures. However, when super heated the oxygen is broken off and helps burn the cars usual petrol and release more power.
The nitrous oxide available here is for culinary purposes. It can be used as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol & many other foodcooking applications.