Buffered

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 buffer solution. a solution containing such a substance.

Chemistry. to treat with a buffer.
to cushion, shield, or protect.
to lessen the adverse effect of; ease:
The drug buffered his pain.
Contemporary Examples

Anti-Depressant Nation Adam Hanft October 4, 2008
Could a Daily Aspirin Be Deadly? Arthur Agatston, M.D. February 22, 2010

Historical Examples

The Civilization of Illiteracy Mihai Nadin
On-Line Data-Acquisition Systems in Nuclear Physics, 1969 H. W. Fulbright et al.
Natural History of the Racer Coluber constrictor Henry S. Fitch

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
(informal) hit the buffers, to finish or be stopped, esp unexpectedly
verb (transitive)
to insulate against or protect from shock; cushion
(chem) to add a buffer to (a solution)
noun
any device used to shine, polish, etc; buff
a person who uses such a device
noun
(Brit, informal, offensive) a stupid or bumbling man (esp in the phrase old buffer)
n.
v.
buffer
(bŭf’ər)

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