Noun

(en noun)

The person, place or thing from which something (information, goods, etc.) comes or is acquired.

* {{quote-book, year=2006, author=(Edwin Black)

, title=Internal Combustion, chapter=2 citation , passage=More than a mere source of Promethean sustenance to thwart the cold and cook one's meat, wood was quite simply mankind's first industrial and manufacturing fuel.}}

* {{quote-magazine, date=2013-07-06, volume=408, issue=8843, page=68, magazine=(The Economist)

, title= The rise of smart beta , passage=Investors face a quandary. Cash offers a return of virtually zero in many developed countries; government-bond yields may have risen in recent weeks but they are still unattractive. Equities have suffered two big bear markets since 2000 and are wobbling again. It is hardly surprising that pension funds, insurers and endowments are searching for new sources of return.}}

Spring; fountainhead; wellhead; any collection of water on or under the surface of the ground in which a stream originates.

* {{quote-magazine, date=2013-08-16, author= John Vidal

, volume=189, issue=10, page=8, magazine=(The Guardian Weekly) , title= Dams endanger ecology of Himalayas , passage=Most of the Himalayan rivers have been relatively untouched by dams near their sources . Now the two great Asian powers, India and China, are rushing to harness them as they cut through some of the world's deepest valleys.}}

A reporter's informant.

(computing) Source code.

(electronics) The name of one terminal of a field effect transistor (FET).

Noun

(en noun)

(uncountable) An unconventionally modern style of fashionable dress originating in England in the 1960s, characterized by ankle-length black trenchcoats and sunglasses.

(UK) a 1960s British person who dressed in such a style and was interested in modernism and the modern music of the time; the opposite of a rocker.

(slang) A modification to an object, computer game, etc., typically for the purpose of individualizing and/or enhancing the performance of the object.

(Internet) A moderator, for example on a discussion forum.

(computing, informal) A module (file containing a tracker music sequence).

* 1992 , "Jordan K. Hubbard", How to convert Amiga mods to Arch?'' (on Internet newsgroup ''comp.sys.acorn )

I'd like to convert some of the arch(SIC) mods back into Amiga mods since I don't have the original Amiga versions.

* 2003 , Rene T. A. Lysloff, Leslie C. Gay, Jr., Music and Technoculture (page 38)

These mods , while usually having the distinctive bleep and beep quality of transistor-generated tones, are often astonishingly creative and rich in expressive nuances.

(rock climbing) A moderately difficult route.

Moderations: university examinations generally taken in the first year.