antifoggant means an antifogging agent. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From antifog + -ant.
noun
- An antifogging agent.“Antifoggants have become justifiably popular. […] Used with papers that favor warm tones, they will definitely cool those tones, thereby giving the photographer a wide range of control of print color.”