Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The expectoration of blood or of blood-streaked sputum from the larynx, trachea, bronchi, or lungs.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. expectoration (coughing up) of blood

from the GNU version of the Collaborative International Dictionary of English

  • n. The expectoration of blood, due usually to hemorrhage from the mucous membrane of the lungs.

from The Century Dictionary and Cyclopedia

  • n. In pathology, spitting of blood: usually restricted to the raising of blood from the lungs. Also hæmoptoë.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. coughing up blood from the respiratory tract; usually indicates a severe infection of the bronchi or lungs

Etymologies

hemo- + Greek ptusis, a spitting (from ptuein, to spit).
(American Heritage® Dictionary of the English Language, Fourth Edition)

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  • "The doctor took a stethoscope down from the wall, untangling the chestpiece from the connecting cord. "Any hemoptysis?"
    She shook her head."
    Doomsday Book by Connie Willis, p 90

    May 25, 2010

  • "An American pathologist noted: 'Fifty cases of subconjunctival hemorrhage bleeding from the lining of the eye were counted. Twelve had a true hemoptysis, bright red blood with no admixture of mucus....'"
    —John M. Barry, The Great Influenza (NY: Penguin Books, 2004), 237

    February 16, 2009