desiccant
noun
Meaning
A substance that induces or sustains a state of dryness in its vicinity by absorbing moisture from the air.
Examples
- Silica gel is the most common desiccant used to prevent mold in leather goods.
- The technician placed a desiccant inside the camera housing to prevent lens fogging.
Synonyms: drying agent, dehydrator, absorbent, hygroscopic agent