inversionism

English

Etymology

From inversion +‎ -ism.

Noun

inversionism (uncountable)

1. (obsolete, psychology) Homosexuality, regarded as sexual inversion.
   • 1855, Andrew Jackson Davis, The Great Harmonia: The reformer, page 117:

     Parents and teachers, having but little or no knowledge of the laws of nature, are unable to detect the victims of inversionism.