proprietary
/pɹəˈpɹaɪ.əˌtɛɹ.i/ adjective C2- Of or relating to property or ownership. · proprietary rights
- Owning something; having ownership. · the proprietary class
- Created or manufactured exclusively by the owner or licensee of intellectual property rights, as with a patent or trade secret. · The continuous profitability of the company is based on its many proprietary products.
- Nonstandard and controlled by one particular organization. · a proprietary extension to the HTML standard for Web page structure
- Privately owned. · a proprietary lake; a proprietary chapel
- Possessive, jealous, or territorial.
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