BusinessDictionary.com http://www.businessdictionary.com/definition/retur… Return on investment (ROI) ROI or return on investment ROI or return on investment ROI return on investment return on investment (ROI) return on investment (ROI) ROI ROI or return on investment return on investment return on investment (ROI) (Return on Investement or ROI BusinessDictionary.com Return on investment (ROI)