- any of several diseases caused by deficiency of one or more vitamins
- (avitaminotic) of or relating to or characteristic of avitaminosis
- Avitaminosis is any disease caused by chronic or long-term vitamin deficiency or caused by a defect in metabolic conversion, such as tryptophan to niacin. They are designated by the same letter as the vitamin.
- (Avitaminoses) For a discussion of plants used for the treatment and prevention of avitaminoses seeVITAMIN-BEARING PLANTS AND VITAMINS.
- a group of symptoms resulting from a deficiency of vitamins.
- USE Vitamin deficiencies