| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Indoor Air | Environment | The breathable air inside a habitable structure or conveyance. (references) | |
| Indoor air pollutant | Environment | Particles and dust, fibers, mists, bioaerosols, and gases or vapors. (references) | |
| Indoor Air Pollution | Administration | Chemical, physical, or biological contaminants in indoor air. (references) | |
| Indoor air quality | Energy | Indoor environmental quality of a site. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
