Home › Words › B › biofoulantbiofoulantbiofoulant means any biological foulant, such as barnacles on a ship.EtymologyFrom bio- + foulant.nounAny biological foulant, such as barnacles on a ship.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.biofoul 84% match — To foul (typically a wetted surface) biologically. vs biofoulant →biofouler 80% match — Any material that causes biofouling vs biofoulant →biofouling 76% match — The accumulation of living organisms (bacteria, fungi, protozoa, algae and invertebrates) on a wetted surface. vs biofoulant →antibiofoulant 72% match — Any substance used to remove biofoulants. vs biofoulant →antifoulant 68% match — Any antifouling substance. vs biofoulant →microfouling 66% match — fouling by microorganisms vs biofoulant →antibiofouling 66% match — Synonym of antifouling. vs biofoulant →antifouler 65% match — Synonym of antifoulant. vs biofoulant →