What is PM?
{{Wiktionary|p.m.}} '''PM''' or '''pm''' may refer to: *Post meridiem (p.m.), the second half of the day on a [[12-hour clock]] *[[Prime minister]] *[[Promethium]] (symbol Pm), a chemical element *[[Petametre]] (Pm), a unit of length (10<sup>15</sup>&nbsp;m) *[[Picometre]] (pm), a unit of length (10<sup>−12</sup>&nbsp;m) *Picomolar (pM), a unit of [[molar concentration]] *[[Particulate matter]], very small particles suspended in the air *[[Saint Pierre and Miquelon]] (ISO country code) **[[.pm]], internet top-level domain for Saint Pierre and Miquelon ==Related pages== *{{lookfrom|PM}} *{{intitle|pm}} {{disambiguation}}