What does pernicious anaemia mean?
• PERNICIOUS ANAEMIA (noun) The noun PERNICIOUS ANAEMIA has 1 sense: 1. 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) Familiarity information: PERNICIOUS ANAEMIA used as a noun is very rare.