Oleos is a term that means "oils." There are many synonyms for this word, including greases, lubricants, oils, fats, and more. Each of these words refers to materials that are typically slippery, often used to reduce friction and increase performance in mechanical systems. Greases are thicker, heavier materials that are often used in heavy machinery and industrial settings, while oils are thinner and used in everything from cars to cooking. Regardless of the specific material being referred to, oleos and its synonyms are critical components in many aspects of modern life, from transportation to cooking to manufacturing.