Term: (VOC) Volitile Organic Compound

In terms of indoor air quality, a VOC is any organic chemical compound that can evaporate under normal indoor atmospheric conditions of temperature and pressure. VOCs may have short- and long-term adverse health effects. VOCs are emitted by a wide array of products including many building materials.

Source: Introduction to Indoor Air Quality from the EPA; RR-0803: Volatile Organice Compound Concentrations and Emission Rates in New Manufactured and Site-Built Houses