There are several terms used to describe different types of olive oil: Wikipedia
- Extra-virgin olive oil (EVOO) comes from cold pressing of the olives, contains no more than 0.8% acidity, and is judged to have a superior taste. Extra-virgin and virgin olive oil may not contain refined oil.
- Virgin olive oil has an acidity less than 2%, and is judged to have a good taste.
- Pure olive oil. Oils labeled as Pure olive oil or Olive oil are usually a blend of refined and virgin or extra-virgin oil.
- Olive oil is a blend of virgin oil and refined oil, of no more than 1.5% acidity. It commonly lacks a strong flavor.