Oil obtained from plants; commonly refers to edible oils such as vegetable oil, olive oil, etc.
揚げ物には植物油を使うことが多い。
Vegetable oil is often used for deep-frying.
このマーガリンは植物油が原料です。
This margarine is made from vegetable oil.
サラダには風味の良い植物油（オリーブ油など）を使うと美味しい。
Using a flavorful vegetable oil (like olive oil) on salads makes them tasty.