Boil with rage (4)
I believe the answer is:
fume
'boil with rage' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for fume that I've seen before include "A - cupboard may be found in chemistry lab" , "Smoke - rage" , "Be mad or angry" , "Feel great anger" , "Give off vapour" .)