raw material noun
plural ∼ -als [count, noncount] : the basic material that can be used to make or create something
▪ Wheat and rye are the raw materials for a flour mill. ▪ His experiences during the war were the raw material for the story.
▪ Wheat and rye are the raw materials for a flour mill. ▪ His experiences during the war were the raw material for the story.
