Oleum, the Latin word for oil, has several synonyms in the English language. Some of the commonly used synonyms for this word include grease, lubricant, lube, and petroleum. Each of these words represents a specific type of oil that is used in various ways in industries such as automotive, aerospace, and manufacturing. Other synonyms for oleum include distillate, extract, essence, and juice. These words are often used in reference to essential oils or plant extracts that are used in perfumes, aromatherapy, and other medicinal or cosmetic applications. Regardless of the context, each of these synonyms carries a unique meaning and application that helps to define the properties and use of oleum.