radiostoln.

Brit.

/ˈreɪdɪəʊstɒl/, U.S.

/ˈreɪdioʊˌstɔl/,

/ˈreɪdioʊˌstɑl/

Forms: also with capital initial.

Origin: Formed within English, by compounding. Etymons: radio- comb. form², ergosterol n.

Etymology: < radio- comb. form² + -st- and -ol (in ergosterol n.).

Now rare.

A preparation of calciferol (vitamin D₂) made by irradiating ergosterol.

ΘΚΠ

the world > health and disease > healing > medicines or physic > medical preparations of specific origin > biological product > [noun] > vitamin preparation

radiostol1927

1927 Trade Marks Jrnl. 27 Apr. 737/1 Radiostol... Chemical substances prepared for use in medicine and pharmacy.

1928 Daily Express 27 Jan. 3/3 It is possible to give margarine the rich food value of the best butter by treating it with radiostol.

1934 Nature 2 June 821/2 Modifications [in the diet]..were additions of oatmeal, olive oil, cod liver oil or radiostol (irradiated ergosterol), and milk, [etc.].

1966 Proc. Royal Soc. B. 164 474 Vitamin D₂ (Radiostol, B.D.H., Poole, Dorset).

This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).

单词	radiostol
释义	radiostoln. Brit. /ˈreɪdɪəʊstɒl/, U.S. /ˈreɪdioʊˌstɔl/, /ˈreɪdioʊˌstɑl/ Forms: also with capital initial. Origin: Formed within English, by compounding. Etymons: radio- comb. form², ergosterol n. Etymology: < radio- comb. form² + -st- and -ol (in ergosterol n.). Now rare. A preparation of calciferol (vitamin D₂) made by irradiating ergosterol. ΘΚΠ the world > health and disease > healing > medicines or physic > medical preparations of specific origin > biological product > [noun] > vitamin preparation radiostol1927 1927 Trade Marks Jrnl. 27 Apr. 737/1 Radiostol... Chemical substances prepared for use in medicine and pharmacy. 1928 Daily Express 27 Jan. 3/3 It is possible to give margarine the rich food value of the best butter by treating it with radiostol. 1934 Nature 2 June 821/2 Modifications [in the diet]..were additions of oatmeal, olive oil, cod liver oil or radiostol (irradiated ergosterol), and milk, [etc.]. 1966 Proc. Royal Soc. B. 164 474 Vitamin D₂ (Radiostol, B.D.H., Poole, Dorset). This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < n.1927
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