Any one of the portions, differing in physical or chemical properties, into which a mixture may be separated, esp. by physical methods.
| 单词 | θ68041 |
| 释义 | the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > distillation > fractionation > fraction (1) fraction1857 Any one of the portions, differing in physical or chemical properties, into which a mixture may be separated, esp. by physical methods. |
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