1. (Latin) between noon and midnight
   "The party starts at 8:00 PM (post meridiem)";
   - post meridiem, P.M., p.m., PM

1. The person who holds the position of head of the government in the United Kingdom
   "The PM faced tough questions in Parliament";
   - Prime Minister, premier
    
2. Modulation of the phase of the carrier wave
   "PM is often used in digital communication systems";
   - phase modulation
    
3. An examination and dissection of a dead body to determine cause of death or the changes produced by disease
   - autopsy, necropsy, postmortem, post-mortem, postmortem examination, post-mortem examination

1. A soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium
   - promethium, atomic number 61

1. The period between noon and midnight
   "AM to PM"; "AM to P.M.";
   - p.m., PM

Derived forms: PMs

Type of: chief of state, examination, head of state, metal, metallic element, modulation, period, period of time, scrutiny, time period, time span

Part of: British Cabinet

Encyclopedia: Pm