That means "not" in phrases taken from Latin and Various other languages, non can be a separate word and is not hyphenated: non compos mentis, persona non grata. When ought to the prefix "non" be accompanied by a hyphen? Which can be proper: "a non-polar molecule" or "a nonpolar molecule"? https://non86430.wikimidpoint.com/3961354/how_papiertaschen_can_save_you_time_stress_and_money