Proper noun
Miller test
(US, law) A test for determining whether speech or expression can be labelled obscene, in which case it is not protected by the First Amendment to the United States Constitution and can be prohibited.
The first two prongs of the Miller test are held to the standards of the community, and the last prong is held to what is reasonable to a person of the United States as a whole. Source: Internet
In practice, pornography showing genitalia and sexual acts is not ipso facto obscene according to the Miller test. Source: Internet