| ESS | any substance possessing to a high degree the predominant properties of a plant or drug or other natural product from which it is extracted |
|---|---|
| ESS | anything indispensable |
| ESS | (law) applying to essential legal principles and rules of right |
| ESS | basic and fundamental |
| ESS | absolutely required and not to be used up or sacrificed |
| ESS | of the greatest importance |
| ESS | absolutely necessary |
| ESS | being or relating to or containing the essence of a plant etc |
| ESS | an amino acid that is required by animals but that they cannot synthesize |
| ESS | a prerequisite |
| ESS | persistent and pathological high blood pressure for which no specific cause can be found |
| ESS | a volatile oil having the odor or flavor of the plant from which it comes |