term:

Pornography

pornography n

: material that depicts erotic behavior and is intended to cause sexual excitement NOTE: Pornographic material is protected expression unless it is determined to be obscene. However, child pornography is illegal under federal and state laws prohibiting the depiction of minors in sexual acts.
por·nog·ra·pher [pȯr-nÄ -grə-fər]
n

por·no·graph·ic [pȯr-nə-gra-fik]
adj

por·no·graph·i·cal·ly adv