Indexing : Rotating a workpiece by a predetermined accurate amount, usually dividing the circle into an integral number of divisions for cutting the teeth of a gear wheel or similar operations
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}