antifouling

Etymology

anti- + fouling

adj

1. That prevents or counteracts the buildup of barnacles and other deposits on undersea surfaces such as those of boats.

noun

1. Any substance that prevents or counteracts the buildup of barnacles and other deposits on undersea surfaces such as those of boats.
   These antifoulings release the biocides by a hydrolysis or ion exchange reaction of an acrylic polymer with seawater. 2002, Institute of Marine Engineers, Marine Engineers Review