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)
   - pernicious anemia [N. Amer], pernicious anaemia [Brit, Cdn], malignant anaemia [Brit, Cdn]

Type of: anaemia [Brit, Cdn], anemia [N. Amer]

• aventail
• aventurine
• avenue
• aver
• average
• average cost
• average out
• averagely
• averageness
• Averell Harriman
• averment
• Averrhoa
• binoculars
• binomial
• binomial distribution
• binomial theorem
• binominal
• bint
• binturong
• binuclear
• binucleate
• binucleated
• bio
• bio lab
• bioaccumulate