alloeroticism
/ˌaləʊɪˈrɒtɪsɪz(ə)m/Psychology and Psychoanalysis
noun
The condition or fact of obtaining sexual or erotic satisfaction from external stimuli, especially considered as a stage of psychosexual development; the satisfaction of erotic desires through interaction with others. Opposed to autoeroticism.
Origin
1920s. From allo- + eroticism, after alloerotic.