The term 'OIL and VINEGAR' is a popular condiment combination used in many dishes. OIL and VINEGAR are both liquids that can be used to enhance the flavor of food. OIL is usually made from vegetable or animal fats, while VINEGAR is made from fermented alcohol. The crossword solution for the term 'OIL and VINEGAR' is 'OIL', which is a three-letter word. This combination of OIL and VINEGAR is often used as a salad dressing, marinade, or dipping sauce. It can also be used to add flavor to cooked dishes such as pasta, vegetables, and meats.