dipsomania noun. 
[dɪpsǝ(ʊ)'meɪnɪǝ] Also 
dypsomania. 
M19.[from Greek dipso- combining form (see -O-) of dipsa thirst + -MANIA.]A morbid paroxysmal craving for alcohol; alcoholism. Also, persistent drunkenness.
 ■   dipsomaniac noun a person with dipsomania 
M19. ■   dipsoma'niacal adjective pertaining to or suffering from dipsomania 
M19.  [TahlilGaran] English Dictionary ▲