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单词 radiostol
释义

radiostol

/ˈreɪdɪəʊstɒl/
Now rare
noun
A preparation of calciferol (vitamin D2) made by irradiating ergosterol.

Origin

1920s; earliest use found in The Trade Marks Journal. From radio- + -st- and -ol.

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更新时间:2024/9/23 23:36:46