The use of fire in the analysis, alteration, or preparation of substances, in chemistry, pharmacy, metallurgy, etc. Now historical.
| 单词 | θ68147 |
| 释义 | the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > pyrotechny (1) pyrotechny1592 The use of fire in the analysis, alteration, or preparation of substances, in chemistry, pharmacy, metallurgy, etc. Now historical. |
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