IDIOCRASIS
Id`i*o*cra"sis, n. Etym: [NL.]
Defn: Idiocracy.
IDIOCRASY
Id`i*oc"ra*sy, n.; pl. Idiocrasies. Etym: [Idio- + Gr. idiocrasie.]
Defn: Peculiarity of constitution; that temperament, or state of constitution, which is peculiar to a person; idiosyncrasy.
IDIOCRATIC; IDIOCRATICAL
Id`i*o*crat"ic, Id`i*o*crat"ic*al, a.
Defn: Peculiar in constitution or temperament; idiosyncratic.
IDIOCY
Id"i*o*cy, n. Etym: [From idiot; cf. Gr. Idiot, and cf. Idiotcy.]
Defn: The condition or quality of being an idiot; absence, or marked deficiency, of sense and intelligence. I will undertake to convict a man of idiocy, if he can not see the proof that three angles of a triangle are equal to two right angles. F. W. Robertson.
IDIOCYCLOPHANOUS
Id`i*o*cy*cloph"a*nous, a. Etym: [Idio- + Gr. (Crystallog.)
Defn: Same as Idiophanous.