a spectrum of electromagnetic radiation transmitted through a substance, showing dark lines or bands due to absorption at specific wavelengths.
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| 单词 | θ78951 |
| 释义 | the world > matter > physics > atomic physics > decomposition of light, spectrum > [noun] > system of absorption bands (3) absorption spectrum1864 a spectrum of electromagnetic radiation transmitted through a substance, showing dark lines or bands due to absorption at specific wavelengths. Subcategories:— dark lines of (2) |
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