Lysimeter

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Lysimeter \Ly*sim"e*ter\ (l[-i]*s[i^]m"[-e]*t[~e]r), n. [Gr.
     ly`sis a loosing + -meter.]
     An instrument for measuring the water that percolates through
     a certain depth of soil. --Knight.
     [1913 Webster]