Wood oil is a natural and versatile oil used for various purposes. It helps to protect, nourish and bring out the natural beauty of wood. Wood oil can also be referred to by different names depending on the origin and specific uses. Some of the synonyms for wood oil include teak oil, linseed oil, tung oil, danish oil, and lemon oil. Teak oil is commonly used on outdoor furniture, while linseed oil is perfect for indoor use. Tung oil is popular for watery-resistant woods such as oak while danish oil is a combination of tung oil and varnish. Finally, lemon oil is used as a pleasant-smelling polish for wood surfaces.