English

Noun

mixoscopy ‎(uncountable)

1. (psychology) The attainment of sexual pleasure from watching other people have sex.
   • 1927, Havelock Ellis, Studies in the Psychology of Sex, vol 4, p. 299,

     Founded on the sense of vision also we find a phenomenon, bordering on the abnormal, which is by Moll termed mixoscopy. This means the sexual pleasure derived from the spectacle of other persons engaged in natural or perverse sexual actions.

References

• “mixoscopy” in Dictionary.com Unabridged, v1.0.1, Lexico Publishing Group, 2006.
• Oxford English Dictionary, 2nd ed., 1989.