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Medical Term:


Pronunciation: es'ens


  1. The true characteristic or substance of a body.
  2. An element.
  3. A fluidextract.
  4. An alcoholic solution, or spirit, of the volatile oil of a plant.
  5. Any volatile substance responsible for odor or taste of the organism (usually a plant) producing it; by extension, synthetic perfumes or flavors.

[L. essentia, fr. esse, to be]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.