used attributively and absol. to designate plastics, resins, etc., made by condensation of urea with formaldehyde.
| 单词 | θ216922 |
| 释义 | society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [adjective] > type of synthetic resin or plastic (2) urea-formaldehyde1928 used attributively and absol. to designate plastics, resins, etc., made by condensation of urea with formaldehyde. polyvinyl1933 attributive. Denoting plastics, synthetic resins, etc., made by polymerizing compounds containing a vinyl group —CH=CH2; consisting or made of such… |
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