D defs.my
Entry 2 senses Webster, 1913

Heterotopism

· Het·er·ot·o·pism · IPA
01 n. A deviation from the natural position; -- a term applied in the case of organs or growths which are abnormal in situation.
  1. 1.
    A deviation from the natural position; -- a term applied in the case of organs or growths which are abnormal in situation.(Med.)
  2. 2.
    A deviation from the natural position of parts, supposed to be effected in thousands of years, by the gradual displacement of germ cells.(Biol.)