wetter

Noun	1.	wetter - a substance capable of reducing the surface tension of a liquid in which it is dissolved Synonyms: surface-active agent, surfactant, wetting agent
	2.	wetter - a workman who wets the work in a manufacturing process
	3.	wetter - someone suffering from enuresis; someone who urinates while asleep in bed Synonyms: bed wetter, bedwetter

chemical agent, detergent, emulsifier, surface-active agent, surfactant, wetting agent