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The Collaborative International Dictionary
Autoecism

Autoecism \Au*t[oe]"cism\, n. Quality of being aut[oe]cious.

Wiktionary
autoecism

n. 1 (context biology of a parasite or dependent organism English) The fact of completing an entire life cycle on a single host species. 2 (context botany of a plant English) The fact of having male and female reproductive organs on the same individual plant.