parhelion
/pɑːˈhiːlɪən/noun
(pl. parhelia /-lɪə/)
- a bright spot in the sky appearing on either side of the sun, formed by refraction of sunlight through ice crystals high in the atmosphere幻日, 假日。
词源
mid 17th cent.: from Latin parelion, from Greek para- 'beside' + hēlios 'sun'.