moistener

/ˈmɔɪstənər/
noun
  1. A device or substance used to add moisture to something.
    • A sponge can be a handy moistener for keeping clay from cracking.
    • The humidifier acts as a room moistener during dry winter months.
    • She used a small moistener to dampen the envelopes before sealing them.
  2. A person who moistens something.
    • As a moistener of the soil, the gardener knew just how much water each plant needed.
    • In the factory, the moistener checked each roll of paper for proper dampness.
    • The baker was a careful moistener of the dough, adding water a little at a time.
Antonyms
What does "moistener" mean? | whatsthatwordmean | whatsthatwordmean