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forbidden line |
Also found in: Wikipedia, Hutchinson | 0.06 sec. |
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forbidden line [fər¦bid·ən ′līn] (atomic physics) A spectral line associated with a transition forbidden by selection rules; optically this might be a magnetic dipole or electric quadrupole transition. 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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Religious leaders cross a forbidden line when they use church resources to intervene in a partisan election or distribute a candidate's campaign literature. The tables are arranged in order of decreasing wavelengths, and they include so-called forbidden lines, which are very important for plasma diagnostic applications. |
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