As nouns the difference between ectropy and ectopy
is that ectropy is (thermodynamics) the overall increase in the organization of a system while ectopy is (pathology) the condition such that an organ or other body part has an abnormal position.
ectropy
Noun
(thermodynamics) The overall increase in the organization of a system
Synonyms
* negentropy
Antonyms
* entropy ectopy
English
Noun
(-)
(pathology) The condition such that an organ or other body part has an abnormal position.
Usage notes
The term appears to be a back-formation from the adjective ectopic, which came from the more common noun ectopia.