noun
- a bluish or purplish discoloration of the skin and mucous membranes caused by insufficient oxygen in the blood
Usage: medical term; uncountable
Examples
- The patient's lips showed signs of cyanosis due to the respiratory infection.
- Cyanosis in newborns can indicate a serious heart or lung condition.
- The doctor noticed cyanosis around the fingernails and ordered immediate tests.
- Severe cyanosis may develop when oxygen levels drop significantly.
- Chronic cyanosis can result from long-term heart or lung disease.