Exudation /(?)/

Ex·u·da·tion

Exudation

n.
  1. The act of exuding; sweating; a discharge of humors, moisture, juice, or gum, as through pores or incisions; also, the substance exuded.
    Resins, a class of proximate principles, existing in almost all plants and appearing on the external surface of many of them in the form of exudations.