= polystyrene, n.
单词 | θ70475 |
释义 | the world > matter > chemistry > polymer chemistry > resins and plastics > [noun] > thermoplastic resins > polystyrene (10) polystyrol1873 = polystyrene, n. polystyrene1927 A polymer of styrene, esp. a hard thermoplastic resin; (also) any of various plastics made from or containing this, widely used as lightweight… styrene1938 = polystyrene, n. Also attributive. styrene plastic1943 any or all of the plastic materials that may be made using styrene. Subcategories:— monomeric form (2) — process of adding (1) — compounds (1) — co-polymers (2) |
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