noun (n)

• a recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep

  sebuah negara yang berulang tidur selama bermimpi berlaku; keadaan gerakan mata cepat berubah selama tidur

  Synonym:
  paradoxical sleep, rapid eye movement, rapid eye movement sleep, rem sleep
  

  source: wordnet30
• (Roentgen Equivalent Man) the dosage of ionizing radiation that will cause the same amount of injury to human tissue as 1 roentgen of X-rays

  (roentgen setara lelaki) the ionizing dosis radiasi itu akan menyebabkan jumlah yang sama kecederaan tisu manusia sebagai 1 dari x rays roentgen

  source: wordnet30