Poly(vinyl acetate) (PVA, PVAc, poly(ethenyl ethanoate): commonly referred to as wood glue, white glue, carpenter's glue, school glue, Elmer's glue in the US, or PVA glue) is an aliphatic rubbery synthetic polymer with the formula (C₄H₆O₂)_n. It belongs to the polyvinyl esters family with the general formula -[RCOOCHCH₂]-. It is a type of thermoplastic.