Peculiarity of constitution; that temperament, or state of constitution, which is peculiar to a person; idiosyncrasy.(noun)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "idiocrasy" in a sentence
"But no, the rebellious insect constantly made them all (for, it should have been said before, this spider seldom uses the same web more than forty-eight hours) after the same manner, and finally I laid it to a depraved idiocrasy, incident to captivity and poor health."
"True, the full man wisely gathers, culls, absorbs; but if, engaged disproportionately in that, he slights or overlays the precious idiocrasy and special nativity and intention that he is, the mans self, the main thing, is a failure, however wide his general cultivation."
"We venture these deductions from the idiocrasy of the African constitution."