vitamin D
noun
Forms vit. D
- noun (biochemistry) Any of a number of fat-soluble vitamins, required for normal bone development and preventing rickets, that can be manufactured in the skin on exposure to sunlight.
- noun (slang, humorous, somewhat vulgar) A dick (“penis”), especially in a sexual context.
Synonyms
sunshine vitamin anaconda baloney pony bald-headed hermit banana bird birdie bobby boonga cack choad choda chode chopper cigar cock corey crank cucumber custard launcher calciferol viosterol ergocalciferol cholecalciferol D
Etymology
From vitamin + D (“4th letter”). From being the fourth vitamin discovered. Coined in 1922 by Elmer McCollum, who discovered the vitamin.
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “vitamin D”, CC BY-SA 4.0. Details