#1 Pm n. [autopsy, necropsy, postmortem, post-mortem, PM, postmortem examination, post-mortem examination] an examination and dissection of a dead body to determine cause of death or the changes produced by disease. wn
#2 Pm n. [promethium, atomic number 61] 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. wn
#3 Pm n. [Prime Minister, PM, premier] the person who holds the position of head of the government in the United Kingdom. wn
#4 Pm n. [phase modulation, PM] modulation of the phase of the carrier wave. wn
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