单词 | Lexan |
释义 | Lexan/ˈlɛksan![]() noun [mass noun] trademark A transparent plastic (polycarbonate) of high impact strength, used for cockpit canopies, bulletproof screens, etc.The polycarbonate trademarked as Lexan is used in ‘bulletproof’ glass and in astronaut's helmets....
Origin1950s: an invented name. |
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