| 单词 | asterism |
| 释义 | asterism [`as·tǝ´riz·ǝm] ASTRONOMY A constellation or small group of stars. OPTICS A starlike optical phenomenon seen in gemstones called star stones; due to reflection of light by lustrous inclusions reduced to sharp lines of light by a domed cabochon style of cutting. SPECTROSCOPY A star-shaped pattern sometimes seen in x-ray spectrophotographs. |
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