'pernicious anemia' definitions:

Definition of 'pernicious anemia'

From: WordNet
noun
A chronic progressive anemia of older adults; thought to result from a lack of intrinsic factor (a substance secreted by the stomach that is responsible for the absorption of vitamin B12) [syn: pernicious anemia, pernicious anaemia, malignant anemia, malignant anaemia]

Definition of 'pernicious anemia'

From: GCIDE
  • malignant anemia \malignant anemia\ n. (Med.) A chronic progressive anemia of older adults, thought to result from a lack of intrinsic factor (a substance secreted by the stomach that is responsible for the absorption of vitamin B-12); also called pernicious anemia. [WordNet 1.5]