The term REFINERY PRODUCT is composed of two crossword solutions, ETHYL (5 letters) and OIL (3 letters). ETHYL is a colorless, flammable liquid that is used as a solvent and in the production of ethyl alcohol. It is also used in the manufacture of antifreeze, explosives, and other products. OIL is a naturally occurring, flammable liquid found in geological formations beneath the Earth's surface. It is a complex mixture of hydrocarbons of various molecular weights and other organic compounds. Both ETHYL and OIL are products of OIL refineries, which process crude OIL into more useful products.