leachate
UK[ˈliːtʃeɪt]US[ˈliːtʃeɪt]
n
A liquid that has percolated through a solid and dissolved or carried away some substances from it, often containing contaminants.
n
(Specifically) The contaminated water that drains from landfills, waste dumps, or industrial sites.
Morpheme Breakdown
leach
ate
leach
to wash out by percolation.
ate
Etymology
The word 'leachate' is a modern scientific compound formed from the verb 'leach' and the noun-forming suffix '-ate'. The verb 'leach' originates from the Old English leccan, meaning "to moisten or water," which is related to the concept of making something wet so that a substance can be washed out. Its deeper Proto-Germanic root lek- connects to the idea of dripping or leaking. The suffix '-ate', borrowed via Latin -atus, is commonly used in chemistry and geology to denote a resulting substance or product. Therefore, 'leachate' follows a clear logical construction: it literally means "the product resulting from the process of leaching," perfectly describing the liquid produced when water percolates through material and extracts soluble components.
Analysis
Structure: leach + ate
- leach: From Old English leccan (to moisten, water). In this word, it functions as the verb root meaning "to wash out by percolation."
- ate: A suffix of Latin origin (-atus), used in English to form nouns denoting a product or result of a process.
Examples
The landfill was lined with a special barrier to prevent leachate from contaminating the groundwater.
Environmental scientists regularly test the chemical composition of the industrial site's leachate.
Heavy rain can increase the volume of leachate produced from mining waste piles.