Stands for `electro static discharge`, an electrical effect that may necessitate shielding in some applications. Some special grades of plastic are electrically conductive or dissipative and help prevent ESD Found on http://www.protomold.co.uk/Glossary.xhtml
Electrostatic discharge. Discharge of stored static electricity that can damage electronic equipment and impair electrical circuitry, resulting in complete or intermittent failures. Found on https://www.encyclo.co.uk/local/22803