hypoxia
hypoxia — noun
1. a medical condition in which the body's tissues do not get enough oxygen, usuall
a medical condition in which the body's tissues do not get enough oxygen, usually because of a breathing problem, heart trouble, or lack of oxygen in the air
Femi developed severe hypoxia after climbing above 5,500 metres without supplemental oxygen.
collocation: severe hypoxia
Beatrix's blood oxygen levels stayed dangerously low for weeks before doctors diagnosed chronic hypoxia.
collocation: chronic hypoxia
Newborns who struggle to breathe at birth risk cerebral hypoxia without quick medical help.
Roya was treated for hypoxia after pneumonia made her lungs work poorly.
- oxygen deficiency
less technical, used in both medical and general contexts
- anoxia
more severe — means complete lack of oxygen, not just insufficient
- hypoxemia
more specific — refers to low oxygen in the blood, not necessarily in the tissues
用法筆記
Frequently paired with a severity or location adjective: acute hypoxia, chronic hypoxia, cerebral hypoxia. The term hypoxemia refers specifically to low oxygen in the blood, while hypoxia can refer to low oxygen in the tissues.
常見錯誤
2. a condition in which a body of water, an area of soil, or a pocket of air contai
a condition in which a body of water, an area of soil, or a pocket of air contains very little oxygen, making it hard for most living things to survive there
Andrés studies how fertiliser runoff creates coastal zones of hypoxia that kill marine life.
collocation: zones of hypoxia
Each summer a zone of hypoxia covers thousands of square kilometres in the Gulf.
The team found hypoxia in the lake's deepest layer, where plants consumed the dissolved oxygen.
Fish farms lose millions of dollars each year to hypoxia caused by pollution.
- oxygen depletion
focuses on the process of oxygen being removed, rather than the resulting condition
- deoxygenation
technical term for the process of oxygen being removed from water
- dead zone
informal term for a large area of hypoxia in water, especially where marine life cannot survive
用法筆記
Common in ecology and environmental science; often paired with zone, area, or event (e.g. hypoxia zone, hypoxic event). The adjective hypoxic describes the affected area.