Invigorating sea air (5)
I believe the answer is:
ozone
(Other definitions for ozone that I've seen before include "Clean, bracing air" , "Bracing air (colloq.)" , "Seaside air, maybe" , "By sea, you could take in this" , "Trioxygen" .)
I believe the answer is:
ozone
(Other definitions for ozone that I've seen before include "Clean, bracing air" , "Bracing air (colloq.)" , "Seaside air, maybe" , "By sea, you could take in this" , "Trioxygen" .)