Allotriophagy

Al′lo‐tri‐oph″a‐gy (ăl′lō̍‐trĭ‐ŏf″ȧ‐jy̆), n. [Gr. αλλὄτριοσ strange + φαγει̑ν to eat: cf. F. allotriophagie.] (Med.) A depraved appetite; a desire for improper food.