haemoptysis

World English Dictionary
haemoptysis or (US) hemoptysis (hɪˈmɒptɪsɪs)
 
n , pl -ses
Compare haematemesis spitting or coughing up of blood or blood-streaked mucus, as in tuberculosis
 
[C17: from haemo- + -ptysis, from Greek ptyein to spit]
 
hemoptysis or (US) hemoptysis (hɪˈmɒptɪsɪs, -ˌsiːz)
 
n
 
[C17: from haemo- + -ptysis, from Greek ptyein to spit]

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