What does "wetting agent" mean?

A substance, such as a surfactant, that reduces the surface tension of a liquid, allowing it to spread across and penetrate the surface of a solid.

What is a synonym for "wetting agent"?

Common synonyms include: detersive, head, hydrosphere, moistener, rain, salt water.

noun

noun ·Rare ·Advanced level

Noun

1
A substance, such as a surfactant, that reduces the surface tension of a liquid, allowing it to spread across and penetrate the surface of a solid.
2
a chemical agent capable of reducing the surface tension of a liquid in which it is dissolved wordnet