C28H43OH
calciferol cal*cif"er*ol n. one of the forms of {vitamin D}, a fat-soluble vitamin that prevents rickets. It is an unsaturated alcohol, {C28H43OH} found in foods such as milk and fish liver oils. It is used as a dietary supplement in milk.

Syn: vitamin D, ergocalciferol, cholecarciferol, D. [WordNet 1.5 +PJC]


The Collaborative International Dictionary of English. 2000.

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  • calciferol — cal*cif er*ol n. one of the forms of {vitamin D}, a fat soluble vitamin that prevents rickets. It is an unsaturated alcohol, {C28H43OH} found in foods such as milk and fish liver oils. It is used as a dietary supplement in milk. Syn: vitamin D,… …   The Collaborative International Dictionary of English

  • calciferol — noun Etymology: calciferous + ergosterol Date: 1931 an alcohol C28H43OH usually prepared by irradiation of ergosterol and used as a dietary supplement in nutrition and medicinally in the control of rickets and …   New Collegiate Dictionary

  • ergocalciferol — [ʉr΄gō kal sif′ər ôl΄, ʉr΄gō kas sif′ərōl΄] n. a crystalline sterol, C28H43OH, formed by the ultraviolet irradiation of ergosterol; vitamin D2 * * * er·go·cal·cif·er·ol (ûr gō kăl sĭfʹə rôl , rōl ) n. See vitamin D2.   [ergot + calciferol.] * * * …   Universalium

  • calciferol — /kal sif euh rawl , rol /, n. Biochem. a fat soluble, crystalline, unsaturated alcohol, C28H43OH, occurring in milk, fish liver oils, etc., produced by ultraviolet irradiation of ergosterol, and used as a dietary supplement, as in fortified milk …   Universalium

  • ergosterol — /err gos teuh rohl , rawl/, n. Biochem. a colorless, crystalline, water insoluble sterol, C28H43OH, that occurs in ergot and yeast and that, when irradiated with ultraviolet light, is converted to vitamin D. [1885 90; ERGO 2 + STEROL] * * * ▪… …   Universalium

  • calciferol — SYN: ergocalciferol. * * * cal·cif·er·ol kal sif ə .rȯl, .rōl n an alcohol C28H43OH usu. prepared by irradiation of ergosterol and used as a dietary supplement in nutrition and medicinally esp. in the control of rickets called also… …   Medical dictionary

  • tachysterol — Sterol(s) formed by ultraviolet irradiation of any 5,7 diene 3β sterol, which breaks the 9,10 bond, but usually from either or both of ergosterol and lumisterol to produce t.2 (ertacalciol, (6E,22E) 9,10 secoergosta 5(10),6,8,22 tetraen 3β ol)… …   Medical dictionary

  • ergocalciferol — [ʉr΄gō kal sif′ər ôl΄, ʉr΄gō kas sif′ərōl΄] n. a crystalline sterol, C28H43OH, formed by the ultraviolet irradiation of ergosterol; vitamin D2 …   English World dictionary

  • ergosterol — [ʉr gäs′tər ôl΄, ʉr gäs′tərōl΄] n. [< ERGOT + STEROL] a crystalline plant sterol, C28H43OH, formerly prepared from ergot but now chiefly from yeast: when exposed to ultraviolet rays it produces a vitamin (D2) used to prevent or cure rickets …   English World dictionary

  • tachysterol — taˈkistəˌrȯl, təˈk , rōl noun Etymology: tachy + sterol : an oily liquid alcohol C28H43OH isomeric with ergosterol that is formed by ultraviolet irradiation of ergosterol or lumisterol and that on further irradiation yields vitamin D2 compare… …   Useful english dictionary

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