Is latex paint a water-based coating?

Any coating with water as solvent or dispersion medium can be called water-based coating. Waterborne coatings include water-soluble coatings, water-dilutable coatings and water-dispersible coatings (latex coatings).

Overview of latex paint

Latex paint, also known as synthetic resin latex paint, is an organic coating, which is a water-based coating based on synthetic resin emulsion and added with pigments, fillers and various additives.

Latex paint is only one kind of water-based paint, and the scope of water-based paint is wider, including metal paint and wood paint.