transpiration

  1. Noun.  (botany) The loss of water by evaporation in terrestrial plants, especially through the stomata; accompanied by a corresponding uptake from the roots.
  2. Noun.  (physiology) The process of giving off water vapour through the skin or mucous membranes.
  3. Noun.  The passage of gases through fine tubes.

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This entry was last updated on RefTopia from its source on 3/20/2012.