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English definition of “CF”

CF

noun [U] specialized
  /ˌsiːˈef/    /ˈsiːˈef/ abbreviation for cardiac failure: the situation when the heart stops working correctly or stops completely
  //    // written abbreviation for cystic fibrosis
  //    // written abbreviation for cerebrospinal fluid: the fluid that surrounds the brain and spinal cord
(Definition of CF noun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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