Trinitroglycerin and Vasodilative

Trinitroglycerin noun - A heavy yellow poisonous oily explosive liquid obtained by nitrating glycerol; used in making explosives and medically as a vasodilator (trade names Nitrospan and Nitrostat).

Vasodilative and trinitroglycerin are semantically related. In some cases you can use "Vasodilative" instead a noun "Trinitroglycerin".

Vasodilative noun - A drug that causes dilation of blood vessels.

Trinitroglycerin and vasodilative are semantically related. Sometimes you can replace term "Trinitroglycerin" with "Vasodilative", this nouns are similar.