a hydrophobic liquid extracted from plants or animals, used in cooking, medicine, and industry
plant-derived oils include olive oil, coconut oil, and sesame oil, obtained from seeds, fruits, or nuts through pressing or distillation
essential oils are volatile aromatic compounds concentrated from herbs, flowers, and bark, valued for antimicrobial, anti-inflammatory, and therapeutic properties
oils serve as carriers for fat-soluble vitamins and provide fatty acids essential to metabolism