Solvent 04 : A dissolving, thinning or reducing agent. An additive used to reduce viscosity of a screen printing ink, generally. Specifically, a solvent is a liquid that dissolves another substance such as resin
US Department of Labor, Ergonomics in the Printing Industry eTool: Glossary, Occupational Safety & Health Administration OSHA, Washington, D.C., USA 2010. https://www.osha.gov/SLTC/etools/printing/glossary .html, (OSHA/ Ergo in Printing Ind - Amer) {621}