Pornography

n. literature or pictures of sexual acts intended to cause sexual arousal, explicit erotic pictures and written material

Pornography or porn is, in its broadest state, the explicit representation of the human body or sexual activity with the goal of sexual arousal and/or sexual relief. It is similar to erotica, which is the use of sexually-arousing imagery for mainly artistic purposes. Over the past few decades, an immense industry for the production and consumption of pornography has grown, due to emergence of the VCR, the DVD, and the Internet, as well as the emergence of social attitudes more tolerant of sexual portrayals.
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Noun
1. creative activity (writing or pictures or films etc.) of no literary or artistic value other than to stimulate sexual desire
(synonym) porno, porn, erotica, smut
(hypernym) creation, creative activity
(hyponym) child pornography, kiddie porn, kiddy porn

(n.)
Licentious painting or literature; especially, the painting anciently employed to decorate the walls of rooms devoted to bacchanalian orgies.
  

(n.)
A treatise on prostitutes, or prostitution.
  

term for sexual explicit presentations, often confused with violence and hardcore subjects - compare fig leaf and kamasutra 

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