A solution, often comprising a mixture of water and alcohol, obtained from herbs either by decoction or distillation. 1 ounce essential oil dissolved in 1 pint alcohol.
The integral part of a plant. Its life-force, as used in flower remedies, herbalism and aromatherapy.
That without which the thing being described would not exist. Its intrinsic and indispensable properties.
A solution consisting of an essential oil dissolved in alcohol.
The spirit or principle of anything.