nitrous oxide nos, laughing gas, n2o molecule. used in surgery as analgesic and anesthetic drug, and also as oxidizer in rocket.

air analgesic anesthetic atomic atoms chemical chemistry composition compound dinitrogen drawing e942 engine euphoria euphoric flat formula gas greenhouse icon laughing line molecular molecule monoxide motor n2o nitro nitrogen nitrous nos oxide oxidizer oxygen pollutant protoxide racing recreational rocket skeletal structure surgery sweet vector