The true nature of anything, not accidental or illusory.
Constituent substance.
The concentrated form of a plant or drug obtained through a distillation process.
A being; especially, a purely spiritual being.
An extract or concentrate obtained from a plant or other matter used for flavouring, or as a restorative.
The inherent nature of a thing or idea.
A significant feature of something.
Fragrance, a perfume.
That which is required for continued existence or function.
Blood that is needed for continued life; blood regarded as the seat of life.