| 单词 | paraformaldehyde |
| 释义 | Word Frequency paraformaldehyde(ˌpærəfɔːˈmældɪˌhaɪd) or paraform (ˈpærəˌfɔːm) noun a white amorphous solid polymeric form of formaldehyde: used as a convenient source of formaldehyde and as a fumigant. Formula: (CH2O)n, where n lies between 6 and 50 |
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