Noun

(en noun)

Someone or something that buffs.

(chemistry) A solution used to stabilize the pH (acidity) of a liquid.

(computing) A portion of memory set aside to store data, often before it is sent to an external device or as it is received from an external device.

(mechanical ) Anything used to maintain slack or isolate different objects.

(telecommunications) A routine or storage medium used to compensate for a difference in rate of flow of data, or time of occurrence of events, when transferring data from one device to another.

(rail) A device on trains and carriages designed to cushion the impact between them.

(rail) The metal barrier to help prevent trains from running off the end of the track.

An isolating circuit, often an amplifier, used to minimize the influence of a driven circuit on the driving circuit.

(politics, international relations) A buffer zone (such as a demilitarized zone) or a buffer state.

(colloquial) A good-humoured, slow-witted fellow, usually an elderly man.

* {{quote-book, year=1864-1865

, author=Charles Dickens , title=Our Mutual Friend , chapter=Book The First, chapter 2 "The Man from Somewhere" citation , passage=Lastly, the looking-glass reflects Boots and Brewer, and two other stuffed Buffers interposed between the rest of the company and possible accidents.}}

* {{quote-book, year=1864-1865

, author=Charles Dickens , title=Our Mutual Friend , chapter=Book The First, chapter 10 "A Marriage Contract" citation , passage=Here, too, are Boots and Brewer, and the two other Buffers; each Buffer with a flower in his button-hole, his hair curled, and his gloves buttoned on tight, apparently come prepared, if anything had happened to the bridegroom, to be married instantly.}}

(figurative) A gap that isolates or separates two things.

* {{quote-news, year=2011

, date=November 10 , author=Jeremy Wilson , title=England Under 21 5 Iceland Under 21 0: match report , work=Telegraph citation , page= , passage=An utterly emphatic 5-0 victory was ultimately capped by two wonder strikes in the last two minutes from Aston Villa midfielder Gary Gardner. Before that, England had utterly dominated to take another purposeful stride towards the 2013 European Championship in Israel. They have already established a five-point buffer at the top of Group Eight. }}

Noun

(en noun)

(typography) The edge of the paper that remains blank.

The edge or border of any flat surface.

* {{quote-book, year=1913, author=

, title=Lord Stranleigh Abroad , chapter=4 citation , passage=Nothing could be more business-like than the construction of the stout dams, and nothing more gently rural than the limpid lakes, with the grand old forest trees marshalled round their margins like a veteran army that had marched down to drink, only to be stricken motionless at the water’s edge.}}

*

The lobule margins , furthermore, are arched away from the lobe, with the consequence that (when fully inflated) the abaxial leaf surface forms the interior lining of the lobule.

(figuratively) The edge defining inclusion in or exclusion from of a set or group.

* 1999 , Pierre François, ''Inlets of the Soul: Contemporary Fiction in English and the Myth of the Fall, page 186,

As far as space is concerned, Mary Lamb finds herself at the farthest margin of society - among tramps - when the novel begins.

A difference between results, characteristics, scores.

* {{quote-news

, year=2012 , date=April 15 , author=Phil McNulty , title=Tottenham 1-5 Chelsea , work=BBC citation , page= , passage=Chelsea will point to that victory margin as confirmation of their superiority - but Spurs will complain their hopes of turning the game around were damaged fatally by Atkinson's decision.}}

A permissible difference; allowing some freedom to move within limits.

margin of error

(finance) The yield or profit; the selling price minus the cost of production.

(finance) Collateral security deposited with a broker to secure him from loss on contracts entered into by him on behalf of his principial, as in the speculative buying and selling of stocks, wheat, etc.