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Perspex|ˈpɜːspɛks|
Also perspex.
[Irreg. f. L. perspect-, ppl. stem of perspicere to look through (1st pers. perfect perspexī), f. per prep. + specere to look (at).]
A proprietary name for polymerized methyl methacrylate, a tough transparent thermoplastic that is much lighter than glass and does not splinter. Freq. attrib. and in Comb.
In the U.S. sold under the names of Plexiglas and Lucite.
1935Trade Marks Jrnl. 9 Jan. 48/2 Perspex... Synthetic resins sold in the form of sheets, rods, tubes and shaped pieces, and as moulding powders. I.C.I. (Fertilizer & Synthetic Products) Limited, London,..manufacturers. 1937Nature 20 Feb. 336/1 The lenses..were made of a particular form of the plastic material known by the trade name of ‘Perspex’. 1943L. Cheshire Bomber Pilot i. 9, I asked Percy to dim his light; it reflected on the perspex in front and I couldn't see out. 1946Electronic Engin. XVIII. 224 The needle holder is in the form of a small perspex block. 1951Official Gaz. (U.S. Patent Office) 13 Nov. 336/1 Imperial Chemical Industries Limited, London... Perspex... Claims use since 1934; and since November 1949 in commerce between Great Britain and the United States. 1957Times 21 Dec. 9/7 The sculpture is dominated by..designs for a fountain and a triptych in Perspex. 1959G. Freeman Jack would be Gent. i. 13 There were two large, ornate chandeliers made of wrought iron and bits of Perspex. 1960Practical Wireless XXXVI. 397/1 Behind a small sheet of perspex screwed to the front above the speaker aperture. 1961Lancet 23 Sept. 680/2 After infection, groups of mice were kept in air-tight ‘Perspex’ boxes. 1963Times 11 May 4/7 The perspex windscreen is faired down almost to the driver's seat. 1975N. Luard Travelling Horseman iii. 81 A damn great Perspex-faced wall map of London. |