Word Direct Answers

transpiration

transpiration is defined in Webster's Unabridged Dictionary (1913) with 2 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.(bot.) The evaporation of water, or exhalation of aqueous vapor, from cells and masses of tissue.
  2. 2.(Physics) The passing of gases through fine tubes, porous substances, or the like; as, transpiration through membranes.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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