| 单词 | patent |
| 释义 | Word Frequency patent(ˈpætənt, ˈpeɪtənt) noun 1. a. a government grant to an inventor assuring him or her the sole right to make, use, and sell the invention for a limited period b. a document conveying such a grant 2. an invention, privilege, etc, protected by a patent 3. a. an official document granting a right b. any right granted by such a document 4. (in the US) a. a grant by the government of title to public lands b. the instrument by which such title is granted c. the land so granted 5. a sign that one possesses a certain quality adjective 6. open or available for inspection (esp in the phrases letters patent, patent writ) 7. (ˈpeɪtənt) obvious their scorn was patent to everyone 8. concerning protection, appointment, etc, of or by a patent or patents 9. proprietary 10. (esp of a bodily passage or duct) being open or unobstructed 11. biology spreading out widely patent branches 12. (of plate glass) ground and polished on both sides verb (transitive) ▶ USAGE The pronunciation (ˈpætənt) is heard in letters patent and Patent Office and is the usual US pronunciation for all senses. In Britain (ˈpætənt) is sometimes heard for senses 1, 2, and 3, but (ˈpeɪtənt) is commoner and is regularly used in collocations like patent leather13. to obtain a patent for 14. (in the US) to grant (public land or mineral rights) by a patent 15. metallurgy to heat (a metal) above a transformation temperature and cool it at a rate that allows cold working Derived forms patentable (ˈpatentable) adjective patentability (ˌpatentaˈbility) noun Word origin C14: via Old French from Latin patēre to lie open; n use, short for letters patent, from Medieval Latin litterae patentes letters lying open (to public inspection) |
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