anemia

American  

[uh-nee-mee-uh] / əˈni mi ə /

Or anaemia

noun

• anemias
  plural

1. Pathology. a quantitative deficiency of the hemoglobin, often accompanied by a reduced number of red blood cells and causing pallor, weakness, and breathlessness.

2. a lack of power, vigor, vitality, or colorfulness.

   His writing suffers from anemia.

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anemia British  

/ əˈniːmɪə /

noun

1. the usual US spelling of anaemia

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anemia Scientific  

/ ə-nē′mē-ə /

1. A deficiency in the oxygen-carrying component of the blood, as in the amount of hemoglobin or the number or volume of red blood cells. Iron deficiency, often caused by inadequate dietary consumption of iron, and blood loss are common causes of anemia.

2. See also aplastic anemia hemolytic anemia and sickle cell anemia

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anemia Cultural  

1. A condition in which the capacity of the blood to carry oxygen is decreased because of too few red blood cells in circulation or because of too little hemoglobin.

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Discover More

Because people suffering from anemia often appear weak and pale, the term is frequently used to describe general apathy or weakness: “The team's performance has been pretty anemic these past few weeks.”

Other Word Forms

Derived Forms

• pseudoanemia
  noun

Inflected Forms

Nouns

• anemias
  plural

Etymology

Origin of anemia

First recorded in 1800–10; from New Latin, from Greek anaimía “bloodlessness, lack of blood”; see an- ¹, -emia

Compare meaning

How does anemia compare to similar and commonly confused words? Explore the most common comparisons:

• sickle cell anemia vs. anemia
• thalassemia vs. anemia

Explanation

Anemia is a medical condition resulting from lack of red blood cells or hemoglobin in the blood. People with anemia are often pale and lacking in energy. You become anemic when you are not getting enough iron. It is common among college students living away from home for the first time, because they often subsist on a diet of cheap carbohydrates instead of iron-rich, but expensive, foods like red meat and fresh vegetables.

Example Sentences

See Examples For:

anemia anemias

They also experienced fewer cases of anemia, pneumonia, acute aseptic arthritis, and internal bleeding, although gastrointestinal problems were more common in the vitamin C group.

From Science Daily ● Oct. 3, 2026

In 2026, researchers reported a 75-year-old man with severe anemia and an anti-AnWj autoantibody.

From Science Daily ● Sep. 19, 2026

Add to which, the economy suffers an anemia Berlin is struggling to cure.

From The Wall Street Journal ● Sep. 6, 2026

Jackie, the bald eagle who has gained worldwide fame over the years, has been diagnosed with anemia and is in "critical" condition.

From BBC ● Aug. 6, 2026

Studies of his blood revealed a severe depression of the bone marrow called aplastic anemia.

From "Silent Spring" by Rachel Carson

Various disease processes also can lead to anemias.

From Textbooks ● Jun. 19, 2013

The effects of the various anemias are widespread, because reduced numbers of RBCs or hemoglobin will result in lower levels of oxygen being delivered to body tissues.

From Textbooks ● Jun. 19, 2013

Vitamin-deficient anemias generally involve insufficient vitamin B12 and folate.

From Textbooks ● Jun. 19, 2013

No less than 50% of all blood-destroying anemias acquired after infancy, he believes, are the results of autoimmune reactions.

From Time Magazine Archive

Termed pandu roga in Sanskrit, anemias were further subdivided into categories.

From "The Gene" by Siddhartha Mukherjee