| 单词 | parhelion |
| 释义 | Word Frequency parhelion(pɑːˈhiːlɪən) nounWord forms: plural -lia (-lɪə) one of several bright spots on the parhelic circle or solar halo, caused by the diffraction of light by ice crystals in the atmosphere, esp around sunset Also called: mock sun, sundog. Compare anthelion Derived forms parhelic (pɑːˈhiːlɪk, -ˈhɛlɪk) or parheliacal (ˌpɑːhɪˈlaɪəkəl) adjective Word origin C17: via Latin from Greek parēlion, from para-1 (beside) + hēlios sun |
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