ISO 4618:2014 defines terms used in the field of coating materials (paints, varnishes and raw materials for paints and varnishes). Terms relating to specific applications and properties are dealt with in standards concerning those applications and properties, e.g. corrosion protection, coating powders.
Terms and definitions from ISO 4618:2014 can be viewed free of charge on the ISO online browsing platform (OBP): https://www.iso.org/obp/ui/