noun: essential oil plural noun: essential oils
a natural oil typically obtained by distillation and having the characteristic fragrance of the plant or other source from which it is extracted. Simply, the "oil of" the plant from which they were extracted from and found in the seeds, bark, stems, roots, flowers and other parts of plants. These oils are used for their amazing therapeutic properties and for their pure, all natural aroma and scent.
Popular essential oils include lavender, tea tree, lemongrass, peppermint, spearmint, cedarwood, patchouli, rose geranium, orange, lemon, lime, bergamot, basil, clove, thyme, cinnamon, tamanu, palmarosa, anise, cornmint, vanilla, rosemary and so many more.