Nitrous Oxide

**Semantic type:** Pharmacologic Substance

**Definition:** A naturally occurring gas that is colorless and non flammable. It can be manufactured and used for a variety of things such as a pharmacologic agent to produce anesthesia, a food additive as a propellant, and an additive to fuels to increase available oxygen in combustion.

**Synonyms:** - Dinitrogen Monoxide - NITROUS OXIDE