1. antifouling - Noun
2. antifouling - Adjective
antifouling (not comparable)
That prevents or counteracts the buildup of barnacles and other deposits on undersea surfaces such as those of boats.
antifouling (plural antifoulings)
Any substance that prevents or counteracts the buildup of barnacles and other deposits on undersea surfaces such as those of boats.
Antifouling paint is commonly used to assist in this. Source: Internet