One of the mysteries of the English language finally explained.
An apparatus for measuring changes due to moisture loss, percolation, etc. undergone by a body of soil under controlled conditions.
- ‘Plants grown in a field lysimeter on two soil types were subjected to progressive drought during vegetative growth.’
- ‘Gravitational solutions were collected at the litter layer level by four sets of nine thin, tensionless lysimeters to limit the disturbance of the forest floor.’
- ‘We do this with intact soil core lysimeters; I can send you information on that, too, if you'd like.’
- ‘We're in the process of shutting down our long term compost utilization project and we need to dismantle the lysimeters that are installed below the plow layer throughout the field.’
- ‘Devices called lysimeters are sometimes inserted into the ground to collect subsurface water, called leachate.’
Late 19th century: from Greek lusis ‘loosening’ + -meter.
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