单词 | polyoxymethylene |
释义 | polyoxymethylenenoun Any of a number of polymers which are prepared from formaldehyde and in which the repeating unit is the group —CH2·O; especially any of the tough, strong thermoplastics of this type which are used as moulding materials. OriginEarly 20th century; earliest use found in Journal of the Chemical Society. |
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