• WordNet 3.6
    • n cyanosis a bluish discoloration of the skin and mucous membranes; a sign that oxygen in the blood is dangerously diminished (as in carbon monoxide poisoning)
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Webster's Revised Unabridged Dictionary
    • n Cyanosis (Med) A condition in which, from insufficient aĆ«ration of the blood, the surface of the body becomes blue. See Cyanopathy.
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Century Dictionary and Cyclopedia
    • n cyanosis In pathology, a blue or more or less livid color of the surface of the body, due to imperfect circulation and oxygenation of the blood; the blue jaundice of the ancients. In its worst form it is due to a congenital malformation of the heart, in which the foramen between the right and left auricles remains open after birth instead of closing up. Also cyanopathy, cyanoderma, cyanochroia, blue-disease.
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Chambers's Twentieth Century Dictionary
    • Cyanosis morbid lividness of the skin, blue jaundice
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Webster's Revised Unabridged Dictionary
NL. See Cyanic
Chambers's Twentieth Century Dictionary
Gr. kyanos, blue.


In literature:

Mitchell Bruce has described an anomalous discoloration of the skin and mucous membranes resembling that produced by silver or cyanosis.
"Anomalies and Curiosities of Medicine" by George M. Gould
Pressure on the thoracic veins and on the air-passage causes cyanosis and dyspnoea.
"Manual of Surgery" by Alexis Thomson and Alexander Miles
"Special Report on Diseases of the Horse" by United States Department of Agriculture
In other cases of phthisis and of cyanosis the nails and finger-ends become clubbed like acorns.
"The Variation of Animals and Plants Under Domestication, Volume II (of 2)" by Charles Darwin
In one case we found a marked cyanosis in the extremities.
"Benign Stupors" by August Hoch
Owing to the most prominent symptoms, cyanosis is also called "blue disease," and is seen occasionally in new-born calves.
"Special Report on Diseases of Cattle" by U.S. Department of Agriculture
There were cyanosis and rales throughout both chests.
"Arteriosclerosis and Hypertension:" by Louis Marshall Warfield
I noticed then that our faces and hands were all a curious blue colour in the morning, due to what is called, I believe, cyanosis of the blood.
"Mount Everest the Reconnaissance, 1921" by Charles Kenneth Howard-Bury