Definition of Runoff

1. Noun. The occurrence of surplus liquid (as water) exceeding the limit or capacity.

Exact synonyms: Overflow, Overspill
Generic synonyms: Flow, Flowing
Derivative terms: Overflow, Run Off

2. Noun. A final election to resolve an earlier election that did not produce a winner.
Generic synonyms: Election
Derivative terms: Run Off

Definition of Runoff

1. Noun. That portion of precipitation or irrigation on an area which does not infiltrate or evaporate, but instead is discharged from the area. ¹

2. Noun. Dissolved chemicals, etc, included in such water. ¹

3. Noun. A second or further round of an indecisive election, after other candidates (often all but the last two) have been eliminated ¹

¹ Source:

Definition of Runoff

1. rainfall that is not absorbed by the soil [n -S]

Medical Definition of Runoff

1. Delayed part of the angiographic examination of a vascular bed, to show small artery patency. (05 Mar 2000)

Lexicographical Neighbors of Runoff

running time
running title
running up
running up against
running up the score
running water
runny nose
runny noses
runoff (current term)

Literary usage of Runoff

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Encyclopedia Americana: A Library of Universal Knowledge (1920)
"The rate of runoff to rainfall ranged from 15 per cent in the Missouri Basin to ... In the Yazoo and Saint Francis basins, the runoff was 90 per cent of the ..."

2. Potential Groundwater Contamination from Intentional and Nonintentional by Robert Pitt, Shirley Clark, Keith Parmer (1994)
"SECTION 2 CHARACTERISTICS OF URBAN runoff Unfortunately, some stormwaters from urban areas may be badly polluted. These waters may pose a potential threat ..."

3. Storm Water Management for Construction Activities: Developing Pollution by DIANE Publishing Company (1996)
"Drainage areas are portions of the site where runoff will flow in one ... (C) Calculate the runoff Coefficient The General Permit requires that you estimate ..."

4. Irrigation Engineering by Herbert Michael Wilson (1909)
"runoff.—By "runoff" is meant the quantity of water which flows in a ... Finally, runoff may be expressed volumetrically as so many cubic feet or acre-feet. ..."

5. Irrigation Engineering by Herbert Michael Wilson (1909)
"runoff.—By "runoff" is meant the quantity of water which flows in a given ... The runoff of a given catchment area may be expressed either as the number of ..."

6. A Lifelong Passion: Nicholas and Alexandra: Their Own Story by Andrei Maylunas (2005)
"The status of the runoff vessels was an important determinant of outcome. The 59 limbs with good artériographie runoff (2 to 3 vessels) had a markedly ..."

7. Probability of Sea Level Rise by James G. Titus, Vijay K. Narayanan (1998)
"14 In testing these models, Pfeffer et al. assumed that the initial zero-runoff elevation is 1680 m (close to the elevation we used). ..."

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