It is the name given in psychology to each sexual deviation, with an erotic stimulus (erotogenic) that is considered unconventional. It is a word of Greek etymology formed by 960; 945; 961; 945; ( for "opposite , on the margin" ) 966; 953; 955; 953; 945; ( philia "hobby, affective inclination") . See philia, lagnia, sadism, clismaphilia, hebephilia, zoophilia, hypnophilia, phallophilia, androphilia, sitophilia, dacriphilia, taurophilia, somnophilia, talophilia, elephilia, misophilia, gynecophilia, necrophilia, phytophilia, voyeurism, pederasty, paidophilia, frotism, acucullophilia, fiderism, dacriphilia, kinky, clinophilia, chemsex, macrogenitalism, microgenitalism, safism, bestialism, zooerasty, ephebophilia, perverted, fetishist .