What does avitaminoses mean?
Avitaminoses is the plural of avitaminosis and denotes a class of medical conditions caused by an inadequate intake or absorption of one or more essential vitamins. Classic examples include scurvy, caused by a lack of vitamin C; rickets, linked to vitamin D deficiency; beriberi, arising from insufficient thiamine (vitamin B1); and pellagra, tied to niacin deficiency. Historically, these diseases devastated populations reliant on restricted diets — sailors on long sea voyages, for instance, suffered terribly until the vitamin concept emerged in the early twentieth century. Today the term appears mainly in medicine, nutrition science, and public health writing, where it may describe individual deficiencies or, when several occur together, multiple concurrent deficiencies. Its connotations are strictly clinical rather than colloquial: it signals diagnosable pathology, not general tiredness or poor eating habits. The related terms hypovitaminoses (partial deficiency) and hypervitaminoses (excess) mark opposite ends of the nutritional spectrum.
noun (plural)Avitaminoses is the plural of avitaminosis, referring to any of a group of diseases or pathological conditions caused by a deficiency of one or more essential vitamins in the diet.
- Plural of avitaminosis: diseases or clinical conditions resulting from a lack of one or more vitamins in the diet.
"Sailors on long voyages once suffered from avitaminoses such as scurvy before the role of vitamins was understood."
"Pellagra and beriberi are classic avitaminoses that ravaged populations dependent on monotonous diets."
"The physician explained that multiple avitaminoses could develop in patients with severe malabsorption disorders."
This word is itself the standard plural of avitaminosis; there is no further plural form. It follows the Greek-style -osis/-oses pattern shared by words like diagnosis/diagnoses.
"Untreated coeliac disease can lead to multiple avitaminoses over time."
Before vitamins were discovered in the early 20th century, entire fleets were crippled by avitaminoses like scurvy — sailors died not from poison or plague, but from a missing molecule.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of avitaminoses
The word derives from the Greek-derived prefix a- ('without') combined with 'vitamin', a term coined in the early twentieth century from Latin vita ('life') plus 'amine', reflecting the belief that these substances were amines. Avitaminosis thus literally means 'a state without vitamins', and avitaminoses simply regularizes this into the plural. It belongs to a small family of medical coinages built on 'vitamin', including hypovitaminosis and hypervitaminosis.
Related word forms
How avitaminoses is actually used
A technical term used almost exclusively in medical, nutritional, and scientific contexts; rare in everyday speech. In clinical usage it is typically treated as a plural noun, with 'avitaminosis' as the singular. The singular form is considerably more common than the plural.
Easily confused with avitaminoses
Hypervitaminoses are conditions caused by an excess of vitamins, whereas avitaminoses are caused by their deficiency.
Avitaminosis is the singular form denoting one such deficiency condition; avitaminoses is its plural.