Crystallography. An imaginary line drawn between the centres of opposite faces or edges, or the apices of opposite angles. (See quot.)
| 单词 | θ70677 |
| 释义 | the world > matter > chemistry > crystallography (general) > crystal (general) > crystal symmetry > [noun] > axis of symmetry (8) axis1816 Crystallography. An imaginary line drawn between the centres of opposite faces or edges, or the apices of opposite angles. (See quot.) Subcategories:— having two (4) — types of (3) |
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