Definition of "exudation"

exudation

noun
countable and uncountable, plural exudations
1. The act or process of exuding.
  Quotations
  In severe burns, the body loses large amounts of nitrogen, in the urine and by exudation from the burned body surface.
  1943 August 16, “Out of the Fire”, in Time
2. Something that is exuded.
  Quotations
  Major Pendennis, having read with difficulty his nephew’s name under Mr. Warrington’s on the wall of No. 6, found still greater difficulty in climbing the abominable black stairs, up the banisters of which, which contributed their damp exudations to his gloves, he groped painfully until he came to the third story.
  1848 November – 1850 December, William Makepeace Thackeray, chapter 29, in The History of Pendennis. […], volumes (please specify |volume=I or II), London: Bradbury and Evans, […], published 1849–1850
  The car was parked in close to the rustic fence, under the lime trees, and their sticky exudations had already stippled the windscreen.
  2004, Alan Hollinghurst, chapter 7, in The Line of Beauty […], 1st US edition, New York, N.Y.: Bloomsbury Publishing