| Noun | 1. | PM - an examination and dissection of a dead body to determine cause of death or the changes produced by disease | |
| 2. | Pm - a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uraniummetal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | |
| 3. | PM - the person who holds the position of head of state in England | |
| 4. | PM - modulation of the phase of the carrier wavemodulation - (electronics) the transmission of a signal by using it to vary a carrier wave; changing the carrier's amplitude or frequency or phase | |
| Adj. | 1. | pm - after noon | |
| Adv. | 1. | PM - between noon and midnight; "let's meet at 8 P.M."Latin - any dialect of the language of ancient Rome | |