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.}}

Noun

(en noun)

A small river; a large creek; a body of moving water confined by banks.

*

, title=(The Celebrity), chapter=8 , passage=Now we plunged into a deep shade with the boughs lacing each other overhead, and crossed dainty, rustic bridges over the cold trout-streams , the boards giving back the clatter of our horses' feet:

* {{quote-magazine, date=2013-01, author=Nancy Langston, volume=101, issue=1, page=59

, magazine=(American Scientist) , title= The Fraught History of a Watery World , passage=European adventurers found themselves within a watery world, a tapestry of streams , channels, wetlands, lakes and lush riparian meadows enriched by floodwaters from the Mississippi River.}}

A thin connected passing of a liquid through a lighter gas (e.g. air).

Any steady flow or succession of material, such as water, air, radio signal or words.

* {{quote-book, year=1963, author=(Margery Allingham), title=(The China Governess)

, chapter=10 citation , passage=With a little manœuvring they contrived to meet on the doorstep which was […] in a boiling stream of passers-by, hurrying business people speeding past in a flurry of fumes and dust in the bright haze.}}

* {{quote-news, year=2011, date=December 21, author=Helen Pidd

, title=Europeans migrate south as continent drifts deeper into crisis, work=the Guardian citation , passage=A new stream of migrants is leaving the continent. It threatens to become a torrent if the debt crisis continues to worsen.}}

(sciences) An umbrella term for all moving waters.

(computing) A source or repository of data that can be read or written only sequentially.

(UK, education) A division of a school year by perceived ability.