saturator
/ˈsætʃəˌreɪtər/
noun
- A device or substance that causes something to become saturated, especially with moisture or a chemical.
- In the lab, they used a gas saturator to mix carbon dioxide with water.
- The audio engineer used a saturator plugin to give the guitar track a warmer, richer sound.
- The humidifier acts as a saturator, adding moisture to the dry air in the room.