Focus on the pronunciation of proprietary
English definition of “proprietary”
/prəˈpraɪəteri/ adjective [before noun]
› MARKETING, COMMERCE used to describe a product that is made and sold by a particular company whose name, or a name that it owns, is on the product: The products were developed using two proprietary and patented technologies. The company focused too heavily proprietary products as the source of competitive advantage. a proprietary brand/name a proprietary drug/medicine proprietary software/systems
› LAW relating to ideas or information that belong to one particular company and can only be used by them: proprietary content/data/information The equation used to produce the estimates is proprietary.
› relating to an owner or to the fact of owning something: The employees have a proprietary interest in the company. → Compare generic