What does «acrílico» mean in Spanish?

In painting, main element of acrylic paint (acrylic acid).
In chemistry, solid substance known as polymethylmethacrylate (PMMA).
In chemistry, obtained by polymerization of acrylic acid.
(ácido acrílico) Simple unsaturated carboxylic acid, used in the manufacture of plastics, adhesives, paints, etc.