Glossary of Terms
- ABSOLUTE HUMIDITY – The weight of water vapor in a given amount of air.
- ABSOLUTE PRESSURE – Pressure measured with the base of zero.
- ABSOLUTE TEMPERATURE – A temperature scale expressed in degrees °F or °C using absolute zero as a base.
- BOILING POINT – The temperature at which the addition of any heat will begin a change of state from a liquid to a vapor.
- CHECK VALVE – A valve designed to permit flow in one direction only.