a greasy, thick liquid that can come from various sources such as plants or petroleum

a heavier form of oil that is often unrefined and contains impurities

तेल

English Usage: "The mechanic used roily oil to fix the engine."

Hindi Usage: "मैकेनिक ने इंजन को ठीक करने के लिए तेल का उपयोग किया।"

an oil that appears muddy or cloudy due to suspended particles

गंदला तेल

English Usage: "The farmer found roily oil in the barrel used for storing fuel."

Hindi Usage: "किसान ने ईंधन जमा करने के लिए इस्तेमाल किए गए बैरल में गंदला तेल पाया।"