vitamin D

短语

[化] 维生素D [医] 维生素D, 骨化醇(抗佝偻病维生素)

发音

US

别名

vit. D

释义与例句

n.
  1. 1.

    Any of a number of fat-soluble vitamins, required for normal bone development and that prevents rickets; can be manufactured in the skin on exposure to sunlight.

    维生素D

    不可数 化学 生物
  2. 2.

    A dick (“penis”), especially in a sexual context.

    幽默 俚语 不可数 粗俗

词汇关系

词源

From vitamin + D (“4th letter”). From being the fourth vitamin discovered. Coined in 1922 by Elmer McCollum, who discovered the vitamin.

来源:wiktionary