alfacalcidol
/ˌalfəˈkalsɪdɒl/Pharmacology
noun
A synthetic analogue of vitamin D3, used in the treatment of conditions resulting from vitamin D deficiency.
- Chemical name: 1α-hydroxycholecalciferol; C27H44O2..
Origin
1970s; earliest use found in Approved Names 1977. From alfa, phonetic respelling of alpha + calci- + -idol, of uncertain origin; compare -ol.