"Viosterol" Natural Recordings by Native Speakers
A rare or obsolete word!
Viosterol is a type of vitamin D that is found in small amounts in various foods and is also produced when the skin is exposed to sunlight.
In medical terms, viosterol is a precursor to vitamin D3 and is converted into this active form of vitamin D in the body. It is sometimes used as a dietary supplement or in pharmaceutical products to enhance vitamin D levels.
Note: Vitamins D2 (ergocalciferol) and D3 (cholecalciferol) are more commonly used and better understood forms of vitamin D.
A person who plays the violoncello, a large-sized stringed musical instrument that is closely related to the cello and the double bass.