- a) That portion of precipitation or irrigation on an area which does not infiltrate or evaporate, but instead is discharged from the area.<! That which is lost without entering the soil is called surface runoff. That which enters the soil before reaching a stream channel is called ground water runoff or seepage flow from ground water. (In soil science runoff usually refers to the water lost by surface flow; in geology and hydraulics runoff usually includes both surface and subsurface flow.)
The runoff of nitrates is poisoning the lake.b) Dissolved chemicals, etc, included in such water.
There will now be a runoff as neither front runner received more than 50% of the vote.
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RUNOFF — was the first computer text formatting program to see significant use. It was written in 1964 for the CTSS operating system by Jerome H. Saltzer in MAD assembler.It actually consisted of a pair of programs, TYPSET (which was basically a document… … Wikipedia
RUNOFF — fue el primer programa de computadora de procesado de textos en ser usado significativamente. Fue escrito originalmente en 1964 para el sistema operativo CTSS por Jerome H. Saltzer en ensamblador MAD. Originalmente consistía en dos programas… … Wikipedia Español
runoff — index outflow Burton s Legal Thesaurus. William C. Burton. 2006 … Law dictionary
runoff — (n.) also run off, precipitation water drained by streams and rivers, 1887, from RUN (Cf. run) (v.) + OFF (Cf. off). Meaning deciding race after a tie is from 1873; electoral sense is attested by 1910, Amer.Eng … Etymology dictionary
runoff — [run′ôf΄] n. ☆ 1. something that runs off, as rain in excess of the amount absorbed by the ground 2. a deciding, final race, election, etc. as in case of a tie … English World dictionary
Runoff — Run off or runoff may refer to:* Surface runoff, the flow of water, from rain, snowmelt, or other sources, over land * Runoff model (reservoir), a mathematical model describing the rainfall runoff relations of a rainfall catchment area or… … Wikipedia
runoff — /run awf , of /, n. 1. something that drains or flows off, as rain that flows off from the land in streams. 2. a final contest held to determine a victor after earlier contests have eliminated the weaker contestants. 3. a deciding final contest… … Universalium
runoff — UK [ˈrʌnɒf] / US [ˈrʌnɔf] noun Word forms runoff : singular runoff plural runoffs 1) [uncountable] science a flow of water or chemicals from one place to another, especially when this damages the environment 2) [countable] a second election or… … English dictionary
runoff — Synonyms and related words: bout, by election, caucus, closed primary, congressional election, contest, contested election, decathlon, defluxion, direct primary, discharge, double header, doubles, drain, drainage, effluence, efflux, effluxion,… … Moby Thesaurus
runoff — precipitation that flows across the ground and enters streams, rivers and lakes; may carry pollutants. Also used for the total discharge of a stream, both surface and subsurface, over a given time period. Defined as the depth to which a drainage… … Dictionary of ichthyology