A centuries old ingredient made from fermented liquids such as wine, beer and fruit juices which have had bacteria introduced that turns the liquid into acetic acid. Common varieties include distilled vinegar, wine vinegar, cider vinegar. See individual types for substitutions and equivalents.
Vinegar is used extensively in cooking for salad dressings, marinating and pickling foods, deglazing pan for pan sauces. Additionally white distilled vinegar is used for household cleaning chores including window cleaner and descaler for coffee pots.