Nitrogen Monoxide

Definition

Nitrogen monoxide, also known as nitric oxide, is a colorless gas with the formula NO. It plays significant roles in several biological processes including neurotransmission and immune defense.

Related terms

Nitrogen Dioxide (NO2): A reddish-brown toxic gas that contributes to air pollution and acid rain.

Oxidation Reaction: A type of chemical reaction involving loss of electrons or increase in oxidation state by an atom, ion, or molecule.

Molecule:

The smallest particle in a chemical element or compound having the chemical properties of that element or compound; it consists of two or more atoms held together by covalent bonds.