This means "not" in phrases taken from Latin and Another languages, non is usually a independent term and is not hyphenated: non compos mentis, persona non grata. Stack Exchange network consists of 183 Q&A communities such as Stack Overflow, the largest, most trusted on-line Neighborhood for developers to find out, https://non87531.dgbloggers.com/27341272/the-2-minute-rule-for-taschen