气圈 (氣圈) qìquān

1. qìquān noun (planet) atmosphere
   Domain: Modern Chinese 现代汉语
   Notes: (CC-CEDICT '氣圈'; Guoyu '氣圈'; Mathews 1931 '氣圈', p. 73)
2. qìquān noun (medical) air ring; air cushion
   Domain: Modern Chinese 现代汉语 , Subdomain: Medicine
   Notes: (CC-CEDICT '氣圈')

Also contained in

大气圈 、 磁气圈