Chemistry. Restoration of a metal to the unchanged or metallic state; = revivification, n. 2a. Now historical.
| 单词 | θ209356 |
| 释义 | society > occupation and work > industry > working with specific materials > working with metal > [noun] > conversion of metals (20) reduction1741 Chemistry. Restoration of a metal to the unchanged or metallic state; = revivification, n. 2a. Now historical. Subcategories:— of iron into steel (19) |
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