单词 | hard plastic |
释义 | hard plasticn. Originally: a substance that started in a plastic (mouldable) state and was subsequently made hard or rigid (now disused). In later use: a plastic that is hard and rigid, such as PVC, ABS, and polymerized methyl methacrylate; plastic of this kind. ΘΚΠ society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > plastic > other plastics hard plastic1896 Galalith1901 Paxolin1918 casein plastic1925 polyvinyl acetate1927 protein plastic1928 Mipolam1936 acrylic1940 styrene plastic1943 bioplastic1946 ABS1957 Noryl1966 1896 U.S. Patent 568,016 2/1 The seal is rendered useless, being filled with the hard plastic, and cannot be used again. 1909 U.S. Patent 915,060 2/1 The new body, with or without admixture with further lime or cement, or both, forms hard plastics which may be used for hard wall plasters and concretes. 1938 Pop. Sci. Oct. 192/3 The bands are carved from the hard plastic used for the caps on some types of liquor bottles. 1939 Pop. Mech. July 122/2 Scratching a design in the surface of hard plastics like Bakelite. 1973 E. H. Immergut tr. B. Vollmert Polymer Chem. ii. 253 Polyformaldehyde..can be transformed to transparent and hard plastics with high mechanical strength. 1987 E. H. J. Pallett Aircraft Electr. Syst. (ed. 3) v. 91/2 Insulators may be made from hard plastic, neoprene of varying degrees of hardness, silicone rubber or fluorosilicone rubber. 2015 Sc. Express (Nexis) 13 Jan. 12 The instructions on the top of my blue wheelie bin tell me that it accepts hard plastics but not plastic film. This is a new entry (OED Third Edition, June 2015; most recently modified version published online March 2022). < n.1896 |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。