Nitrous oxide is a colourless gas. It has 2 nitrogen atoms and 1 oxygen atom shortened as N2O. Nitrous oxide is typically used for anesthesia and pain relief by medical doctors & dental professionals. It has also been misused by people for recreational purposes.
Another use for nitrous oxide gas is as a fuel booster in cars. Nitrous oxide is not flammable at low temperatures. However, when super heated the oxygen is detached and helps burn the cars usual petrol and release more energy.
The nitrous oxide available here is for culinary uses. It can be used as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol and lots of other foodcooking applications.