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rotation-reflection axis |
Also found in: Wikipedia | 0.20 sec. |
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rotation-reflection axis [rō′tā·shən ri′flek·shən ‚ak·səs] (crystallography) A symmetry element of certain crystals in which a crystal can be brought into a position physically indistinguishable from its original position by a rotation through an angle of 360°/nabout the axis followed by a reflection in the plane perpendicular to the axis, wherenis the multiplicity of the axis, equal to 1, 2, 3, 4, or 6. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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