PM /ˌpiˈɛm/ 縮寫
 post meridiem, 下午
 PM
 相位調製
 p.m.
      adj : after noon [syn: post meridiem, pm]
      adv : between noon and midnight; "let's meet at 8 P.M." [syn: post
            meridiem, PM]
 pm
      adj : after noon [syn: post meridiem, p.m.]
      n 1: an examination and dissection of a dead body to determine
           cause of death or the changes produced by disease [syn:
           autopsy, necropsy, postmortem, postmortem
           examination]
      2: 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 [syn: promethium, atomic
         number 61]
      3: the person who holds the position of head of state in
         England [syn: Prime Minister, premier]
      4: modulation of the phase of the carrier wave [syn: phase
         modulation]
      adv : between noon and midnight; "let's meet at 8 P.M." [syn: post
            meridiem, P.M.]