D and Fat-soluble vitamin

D noun - A fat-soluble vitamin that prevents rickets.

Fat-soluble vitamin and d are semantically related. In some cases you can use "Fat-soluble vitamin" instead a noun "D".

Fat-soluble vitamin noun - Any vitamin that is soluble in fats.

D and fat-soluble vitamin are semantically related. Sometimes you can replace term "D" with "Fat-soluble vitamin", this terms are similar.