runoff

1. 1. The overflow of fluid from a container.
   2. Rainfall not absorbed by soil.
2. Eliminated waste products from manufacturing processes.
3. An extra competition held to break a tie.

The flow of rainwater away from the area on which it has fallen.

Water that is applied to the soil too quickly or for too long a time and thus runs off and is wasted; fertilizer or pesticide that is washed from a field, a lawn, or garden soil into rivers or other waterways.

The noun has 2 meanings:

Meaning #1: the occurrence of surplus liquid (as water) exceeding the limit or capacity
  Synonyms: overflow, overspill

Meaning #2: a final election to resolve an earlier election that did not produce a winner

Look up Runoff in Wiktionary, the free dictionary.

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 watershed
• Bleed (printing), printing that goes beyond the edge of the sheet after trimming
• Two-round system or runoff voting, a voting system used to elect a single winner, whereby only two candidates from the first round continue to the second round
• Instant-runoff voting, an electoral system in which voters rank the candidates in order of preference
• RUNOFF, the first computer type-setting program, running on the CTSS operating system
• runoff (program), the type-setting program on the Multics operating system

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