Anemia definition

ə-nēmē-ə
The definition of anemia is a medical condition in which the blood does not have enough red blood cells or hemoglobin.

A person who constantly feels weak and does not eat enough red meat is an example of someone who may be suffering from anemia.

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A pathological deficiency in the oxygen-carrying component of the blood, measured in unit volume concentrations of hemoglobin, red blood cell volume, or red blood cell number.
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(med.) A condition in which there is a reduction of the number, or volume, of red blood corpuscles or of the total amount of hemoglobin in the bloodstream, resulting in paleness, generalized weakness, etc.
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A pathological deficiency in the oxygen-carrying component of the blood, measured in unit volume concentrations of hemoglobin, red blood cell volume, or red blood cell number.
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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.
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(uncountable, pathology) A medical condition in which the capacity of the blood to transport oxygen to the tissues is reduced, either because of too few red blood cells, or because of too little hemoglobin, resulting in pallor and fatigue.
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(countable, pathology) A disease or condition that has anemia as a symptom.

Pernicious anemia and sickle-cell anemia are two anemias.

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Lack of vigor or vitality; lifelessness.
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Other Word Forms

Noun

Singular:
anemia
Plural:
anemi, anemiae, anemias

Origin of anemia

  • New Latin from Greek anaimiā an- without a–1 haima blood

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Ancient Greek ἀν- (an-, “not”) + αἷμα (haima, “blood”) +‎ -ia.

    From Wiktionary