buffer

1
[buhf-er]

noun

verb (used with object)


Origin of buffer

1
First recorded in 1825–35; buff2 + -er1
Related formsun·buff·ered, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for unbuffered

buffer

1

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
  1. 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
  2. Also called: buffer solutiona 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

buffer

2

noun

any device used to shine, polish, etc; buff
a person who uses such a device

buffer

3

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

Word Origin and History for unbuffered

buffer

n.

1835, agent noun from obsolete verb buff "make a dull sound when struck" (mid-16c.), from Old French bufe "a blow, slap, punch" (see buffet (n.2)); hence also "something that absorbs a blow."

buffer

v.

1894, from buffer (n.). Related: Buffered; buffering.

Online Etymology Dictionary, © 2010 Douglas Harper

unbuffered in Medicine

buffer

[bŭfər]

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.

unbuffered in Science

buffer

[bŭfər]

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.

unbuffered in Culture

buffer

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

Note

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.