buffer

[ buhf-er ]

/ ˈbʌf ər /

SEE SYNONYMS FOR buffer ON THESAURUS.COM

noun

an apparatus at the end of a railroad car, railroad track, etc., for absorbing shock during coupling, collisions, etc.

any device, material, or apparatus used as a shield, cushion, or bumper, especially on machinery.

any intermediate or intervening shield or device reducing the danger of interaction between two machines, chemicals, electronic components, etc.

a person or thing that shields and protects against annoyance, harm, hostile forces, etc., or that lessens the impact of a shock or reversal.

any reserve moneys, negotiable securities, legal procedures, etc., that protect a person, organization, or country against financial ruin.

buffer state.

Ecology. an animal population that becomes the prey of a predator that usually feeds on a different species.

Computers. a storage device for temporarily holding data until the computer is ready to receive or process the data, as when a receiving unit has an operating speed lower than that of the unit feeding data to it.

Electronics. a circuit with a single output activated by one or more of several inputs.

Chemistry.

any substance or mixture of compounds that, added to a solution, is capable of neutralizing both acids and bases without appreciably changing the original acidity or alkalinity of the solution.
Also called buff·er so·lu·tion. a solution containing such a substance.

verb (used with object)

Chemistry. to treat with a buffer.

to cushion, shield, or protect.

to lessen the adverse effect of; ease: The drug buffered his pain.

Digital Technology. to temporarily save (data) before actively accessing it so that it can be loaded at a rapid or uniform rate: Give the app time to buffer the audio when you are streaming music.You’ll get a load screen while the game buffers those high-resolution graphics.

Origin of buffer

First recorded in 1825–35; buff² + -er¹

OTHER WORDS FROM buffer

un·buff·ered, adjective

Words nearby buffer

buffalo soldier, buffalo wing, buffcoat, buffe, buffel grass, buffer, buffer state, buffer stock, buffer value, buffer zone, buffet

Definition for buffer (2 of 3)

buffer²

[ buhf-er ]

/ ˈbʌf ər /

noun

a device for polishing or buffing, as a buff stick or buff wheel.

a worker who uses such a device.

Origin of buffer

First recorded in 1850–55; buff¹ + -er¹

Definition for buffer (3 of 3)

buffer³

[ buhf-er ]

/ ˈbʌf ər /

noun British Slang.

a foolish or incompetent person.

a fellow; man.

a chief boatswain's mate in the British navy.

Origin of buffer

First recorded in 1745–50; origin uncertain

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for buffer

The buffer zone would protect civilians, Syrian rebels, and Kurds against ISIS assaults.
Top Senate Dem Calls for Buffer Zone and No-fly Zone in Syria|Josh Rogin|October 16, 2014|DAILY BEAST
Levin is calling for a Turkish buffer zone inside Syria, protected by a U.S.-led no fly zone.
Exclusive: Turkey OK’s American Drones to Fight ISIS|Eli Lake, Josh Rogin|October 16, 2014|DAILY BEAST
The Kurds entered a buffer zone on the Turkish border and in the melee at least four protestor were wounded.
Kobani Still Stands Against ISIS and All Odds. But for How Long?|Jamie Dettmer|October 12, 2014|DAILY BEAST
And the Americans are currently ruling out boots on the ground in Syria or buffer zones.
U.S. Planes are Blowing the Hell out of ISIS at Kobani, But …|Jamie Dettmer|October 9, 2014|DAILY BEAST

Pro-choice advocates, meanwhile, argue that the buffer zones are necessary for public safety.
From Smartphones to Abortion, the Supreme Court Is About to Decide on Several Major Cases|Tim Mak|June 16, 2014|DAILY BEAST
A new era began; the buffer was gone; my mother and Victoria were face and face.
The King's Mirror|Anthony Hope
The consciousness of the imperfection of his knowledge serves as a buffer when the train of progress starts with a jerk.
The Gentle Reader|Samuel McChord Crothers
I used Augusta twice as a buffer; its garrison was just where it helped me.
Life of Wm. Tecumseh Sherman.|W. Fletcher Johnson
"To-morrow night he'll meet his brother at Twig Folly," answered the Buffer, with a laugh.
The Mysteries of London, v. 1/4|George W. M. Reynolds
This was by using a stick for raising and guiding the link into the buffer.
Every-day Science: Volume VII. The Conquest of Time and Space|Henry Smith Williams

British Dictionary definitions for buffer (1 of 3)

buffer¹

/ (ˈbʌfə) /

noun

one of a pair of spring-loaded steel pads attached at both ends of railway vehicles and at the end of a railway track to reduce shock due to contact

a person or thing that lessens shock or protects from damaging impact, circumstances, etc

chem

an ionic compound, usually a salt of a weak acid or base, added to a solution to resist changes in its acidity or alkalinity and thus stabilize its pH
Also called: buffer solution a solution containing such a compound

computing a memory device for temporarily storing data

electronics an isolating circuit used to minimize the reaction between a driving and a driven circuit

short for buffer state

hit the buffers informal to finish or be stopped, esp unexpectedly

verb (tr)

to insulate against or protect from shock; cushion

chem to add a buffer to (a solution)

Word Origin for buffer

C19: from buff ²

British Dictionary definitions for buffer (2 of 3)

buffer²

/ (ˈbʌfə) /

noun

any device used to shine, polish, etc; buff

a person who uses such a device

British Dictionary definitions for buffer (3 of 3)

buffer³

/ (ˈbʌfə) /

noun

British informal, offensive a stupid or bumbling man (esp in the phrase old buffer)

Word Origin for buffer

C18: perhaps from Middle English buffer stammerer

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for buffer

buffer

In chemistry, the components of a solution that can neutralize either an acid or a base and thus maintain a constant pH.

notes for buffer

Buffers are often used in medications designed to decrease acidity in the stomach.

Medical definitions for buffer

buffer

[ bŭf′ər ]

n.

A substance that minimizes change in the acidity of a solution when an acid or base is added to the solution.

v.

To treat a solution with a buffer.

Scientific definitions for buffer

buffer

[ bŭf′ər ]

Chemistry A substance that prevents change in the acidity of a solution when an acid or base is added to the solution or when the solution is diluted. Buffers are used to make solutions of known pH, especially for instrument calibration purposes. Natural buffers also exist in living organisms, where biochemical reactions are very sensitive to changes in pH.

Computer Science A device or an area of a computer that temporarily stores data that is being transferred between two machines that process data at different rates, such as a computer and a printer.

单词	buffer
释义	buffer ¹ [ buhf-er ] / ˈbʌf ər / SEE SYNONYMS FOR buffer ON THESAURUS.COM noun an apparatus at the end of a railroad car, railroad track, etc., for absorbing shock during coupling, collisions, etc. any device, material, or apparatus used as a shield, cushion, or bumper, especially on machinery. any intermediate or intervening shield or device reducing the danger of interaction between two machines, chemicals, electronic components, etc. a person or thing that shields and protects against annoyance, harm, hostile forces, etc., or that lessens the impact of a shock or reversal. any reserve moneys, negotiable securities, legal procedures, etc., that protect a person, organization, or country against financial ruin. buffer state. Ecology. an animal population that becomes the prey of a predator that usually feeds on a different species. Computers. a storage device for temporarily holding data until the computer is ready to receive or process the data, as when a receiving unit has an operating speed lower than that of the unit feeding data to it. Electronics. a circuit with a single output activated by one or more of several inputs. Chemistry. any substance or mixture of compounds that, added to a solution, is capable of neutralizing both acids and bases without appreciably changing the original acidity or alkalinity of the solution. Also called buff·er so·lu·tion. a solution containing such a substance. verb (used with object) Chemistry. to treat with a buffer. to cushion, shield, or protect. to lessen the adverse effect of; ease: The drug buffered his pain. Digital Technology. to temporarily save (data) before actively accessing it so that it can be loaded at a rapid or uniform rate: Give the app time to buffer the audio when you are streaming music.You’ll get a load screen while the game buffers those high-resolution graphics. Origin of buffer ¹ First recorded in 1825–35; buff² + -er¹ OTHER WORDS FROM buffer un·buff·ered, adjective Words nearby buffer buffalo soldier, buffalo wing, buffcoat, buffe, buffel grass, buffer, buffer state, buffer stock, buffer value, buffer zone, buffet Definition for buffer (2 of 3) buffer² [ buhf-er ] / ˈbʌf ər / noun a device for polishing or buffing, as a buff stick or buff wheel. a worker who uses such a device. Origin of buffer ² First recorded in 1850–55; buff¹ + -er¹ Definition for buffer (3 of 3) buffer³ [ buhf-er ] / ˈbʌf ər / noun British Slang. a foolish or incompetent person. a fellow; man. a chief boatswain's mate in the British navy. Origin of buffer ³ First recorded in 1745–50; origin uncertain Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for buffer The buffer zone would protect civilians, Syrian rebels, and Kurds against ISIS assaults. Top Senate Dem Calls for Buffer Zone and No-fly Zone in Syria\|Josh Rogin\|October 16, 2014\|DAILY BEAST Levin is calling for a Turkish buffer zone inside Syria, protected by a U.S.-led no fly zone. Exclusive: Turkey OK’s American Drones to Fight ISIS\|Eli Lake, Josh Rogin\|October 16, 2014\|DAILY BEAST The Kurds entered a buffer zone on the Turkish border and in the melee at least four protestor were wounded. Kobani Still Stands Against ISIS and All Odds. But for How Long?\|Jamie Dettmer\|October 12, 2014\|DAILY BEAST And the Americans are currently ruling out boots on the ground in Syria or buffer zones. U.S. Planes are Blowing the Hell out of ISIS at Kobani, But …\|Jamie Dettmer\|October 9, 2014\|DAILY BEAST Pro-choice advocates, meanwhile, argue that the buffer zones are necessary for public safety. From Smartphones to Abortion, the Supreme Court Is About to Decide on Several Major Cases\|Tim Mak\|June 16, 2014\|DAILY BEAST A new era began; the buffer was gone; my mother and Victoria were face and face. The King's Mirror\|Anthony Hope The consciousness of the imperfection of his knowledge serves as a buffer when the train of progress starts with a jerk. The Gentle Reader\|Samuel McChord Crothers I used Augusta twice as a buffer; its garrison was just where it helped me. Life of Wm. Tecumseh Sherman.\|W. Fletcher Johnson "To-morrow night he'll meet his brother at Twig Folly," answered the Buffer, with a laugh. The Mysteries of London, v. 1/4\|George W. M. Reynolds This was by using a stick for raising and guiding the link into the buffer. Every-day Science: Volume VII. The Conquest of Time and Space\|Henry Smith Williams British Dictionary definitions for buffer (1 of 3) buffer¹ / (ˈbʌfə) / noun one of a pair of spring-loaded steel pads attached at both ends of railway vehicles and at the end of a railway track to reduce shock due to contact a person or thing that lessens shock or protects from damaging impact, circumstances, etc chem an ionic compound, usually a salt of a weak acid or base, added to a solution to resist changes in its acidity or alkalinity and thus stabilize its pH Also called: buffer solution a solution containing such a compound computing a memory device for temporarily storing data electronics an isolating circuit used to minimize the reaction between a driving and a driven circuit short for buffer state hit the buffers informal to finish or be stopped, esp unexpectedly verb (tr) to insulate against or protect from shock; cushion chem to add a buffer to (a solution) Word Origin for buffer C19: from buff ² British Dictionary definitions for buffer (2 of 3) buffer² / (ˈbʌfə) / noun any device used to shine, polish, etc; buff a person who uses such a device British Dictionary definitions for buffer (3 of 3) buffer³ / (ˈbʌfə) / noun British informal, offensive a stupid or bumbling man (esp in the phrase old buffer) Word Origin for buffer C18: perhaps from Middle English buffer stammerer Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Words related to buffer intermediary, cushion, bulwark, fender, defense, shield, screen, bumper, shock absorber Cultural definitions for buffer buffer In chemistry, the components of a solution that can neutralize either an acid or a base and thus maintain a constant pH. notes for buffer Buffers are often used in medications designed to decrease acidity in the stomach. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for buffer buffer [ bŭf′ər ] n. A substance that minimizes change in the acidity of a solution when an acid or base is added to the solution. v. To treat a solution with a buffer. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for buffer buffer [ bŭf′ər ] Chemistry A substance that prevents change in the acidity of a solution when an acid or base is added to the solution or when the solution is diluted. Buffers are used to make solutions of known pH, especially for instrument calibration purposes. Natural buffers also exist in living organisms, where biochemical reactions are very sensitive to changes in pH. Computer Science A device or an area of a computer that temporarily stores data that is being transferred between two machines that process data at different rates, such as a computer and a printer. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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buffer

noun

verb (used with object)

Origin of buffer

OTHER WORDS FROM buffer

Words nearby buffer

Definition for buffer (2 of 3)

noun

Origin of buffer

Definition for buffer (3 of 3)

noun British Slang.

Origin of buffer

Example sentences from the Web for buffer

British Dictionary definitions for buffer (1 of 3)

noun

verb (tr)

Word Origin for buffer

British Dictionary definitions for buffer (2 of 3)

noun

British Dictionary definitions for buffer (3 of 3)

noun

Word Origin for buffer

Words related to buffer

Cultural definitions for buffer

notes for buffer

Medical definitions for buffer

n.

v.

Scientific definitions for buffer