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Runoff vs Leaching - What's the difference?

runoff | leaching |

As nouns the difference between runoff and leaching

is that runoff is that portion of precipitation or irrigation on an area which does not infiltrate or evaporate, but instead is discharged from the area while leaching is the process by which something is leached.

As a verb leaching is

present participle of lang=en.

runoff

English

(wikipedia runoff)

Alternative forms

* run-off

Noun

  • That portion of precipitation or irrigation on an area which does not infiltrate or evaporate, but instead is discharged from the area.
  • Dissolved chemicals, etc, included in such water.
    • The runoff of nitrates is poisoning the lake.
  • A second or further round of an indecisive election, after other candidates (often all but the last two) have been eliminated,
    • There will now be a runoff as neither front runner received more than 50% of the vote.
  • * {{quote-news
    • , year=2012 , date=April 23 , author=Angelique Chrisafis , title=François Hollande on top but far right scores record result in French election , work=the Guardian citation , page= , passage= It is one of the left's best ever results and will raise momentum for next month's final runoff where only the two candidates will compete against each other.}}

    Derived terms

    * surface runoff

    leaching

    English

    Verb

    (head)

    • Noun

    (en noun)
  • The process by which something is leached.
  • * 2012 , Brian Morse, Cold Regions Engineering 2012
    • The leachings were performed in a controlled atmosphere chamber in four different steps
  • Liquid that leaches.
  • * Popular Science
    • One set of plants was watered with distilled water, while to the other set was added in addition small amounts of leachings , containing only a trace of nitrogen, from a cultivated field.