光環（）為氣象學的名詞，中國宋朝時稱為光相、現代中文習稱佛光、寶光、寶光環、觀音圈、觀音輪、反日華等等；歐洲則稱作布羅肯幽靈，是一種陽光透過雲霧反射，並經由雲霧中的水滴發生繞射與干涉，最後形成一圈  彩虹 光環的光学现象，在光環中經常包括觀察者本身的陰影。
Cuchavira or Cuchaviva was the god of the  rainbow , protector of working women and the sick in the religion of the Muisca . The Muisca and their confederation were one of the advanced civilizations of the Americas and in the fertile intermontane valley that forms the Altiplano Cundiboyacense in the Andes rain and sun were both very important for their agriculture .
两词在上述语境中含义相同。