ma·nia 
/ˈmeɪnijə/ noun
plural ma·nias /ˈmeɪnijə/ noun 1 : mental illness in which a person becomes very emotional or excited [noncount] ▪ She would typically experience a period of mania and then suddenly become deeply depressed. [count] ▪ patients affected by manias 2 : extreme enthusiasm for something that is usually shared by many people [count] — usually singular ▪ The band was part of the early rock-and-roll mania. [=craze] ▪ The city's sports mania is very well-known. — often + for ▪ He had a mania for cleanliness. [noncount] ▪ The entire city has been gripped by baseball mania.
