Lysimeter

A lysimeter is a measuring device which can be used to measure the amount of actual evapotranspiration which is released by plants, usually crops or trees. By recording the amount of precipitation that an area receives and the amount lost through the soil, the amount of water lost to evapotranspiration can be calculated. Lysimeters are of two type
Found on http://en.wikipedia.org/wiki/Lysimeter

lysimeter

Laboratory column of selected representative soil or a protected monolith of undisturbed field soil with which it is possible to sample and monitor the movement of water and substances.
Found on http://sis.nlm.nih.gov/enviro/iupacglossary/glossaryl.html

Lysimeter

Laboratory column of selected representative soil or a protected monolith of undisturbed field soil with facilities for sampling and monitoring the movement of water and chemicals.
Found on http://www.encyclo.co.uk/visitor-contributions.php

Lysimeter

Ly·sim'e·ter (li*sĭm'e*tẽr) noun [ Greek ly`sis a loosing + - meter .] An instrument for measuring the water that percolates through a certain depth of soil. Knight.
Found on http://www.encyclo.co.uk/webster/L/74

Lysimeter

• (n.) An instrument for measuring the water that percolates through a certain depth of soil.
Found on http://thinkexist.com/dictionary/meaning/lysimeter/

lysimeter

(from the article `hydrologic sciences`) The only reliable way of measuring actual evapotranspiration is to use large containers (sometimes on the order of several metres across) called ...
Found on http://www.britannica.com/eb/a-z/l/88

Lysimeter

Meteorological instrument used to measure potential and actual evapotranspiration.
Found on http://www.physicalgeography.net/physgeoglos/l.html

lysimeter

instrument for measuring percolation of water through soil
Found on http://phrontistery.info/l.html
No exact match found