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1. A syndrome that occurs in many women from 2 to 14 days before the onset of menstruation
   - premenstrual syndrome, PMT [Brit]

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

Type of: metal, metallic element, syndrome

Encyclopedia: PMS, I Love You