ground grain is grain (aka wheat, barley or other) that is ground up between to hard things to make flour.
Another name for ground grain is flour.
Any grain can be ground into flour but the most common grain used is wheat.
Ground rice is from the rice grain. Semolina is from the wheat grain. Semolina is the one that has gluten.
Grain alcohol is ethanol made from fermenting grain. Depending on its intended use, it is sold diluted with a specific amount of water. If it is not intended for human consumption (drinking) but is intended as a solvent, fuel or some industrial use, something is added to it to make it poisonous and it is called denatured alcohol. Once denatured, it can no longer be made safe to drink by normal means.
Flour has been made and used from ancient times. It is not possible to determine who first ground grain to make flour.
By which grain it comes from, and how finely ground it is.
A flour mill.
Yes, chocolate chip cookies are a grain product. They are made with flour which is ground from wheat which is a type of grain.
Despite having similar appearance to grain, couscous is actually pasta. Traditional couscous is made from ground millet, but can be produced with ground semolina wheat.
It is called flour.
A mill is the place where grain is ground into flour. Mills can be powered by water, wind, or electricity, and they use grinding stones or rollers to crush the grain into a powder.