orbital            
 adjective uk/ˈɔː.bɪ.təl/ us/ˈɔːr.bɪ.t̬əl/
 轨道的
relating to the orbit (= curved path) of an object in space
  an orbital space station 轨道空间站 
  medical specialized眼眶的 
relating to the eye socket (= the bone around the eye)
 orbital      
noun [ C ]  physics specialized uk/ˈɔː.bɪ.təl/ us/ˈɔːr.bɪ.t̬əl/
 轨域
the path that an electron or electrons take around the nucleus (= central part) of an atom