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buffer    音標拼音: [b'ʌfɚ]
n. 緩沖區
vt. 緩沖
n. 緩沖區,緩沖

緩沖區緩沖緩沖區,緩沖

buffer
緩衝; 緩衝器; 緩衝區 B

buffer
緩衝 緩衝器 緩衝區

buffer
n 1: (chemistry) an ionic compound that resists changes in its
pH
2: a neutral zone between two rival powers that is created in
order to diminish the danger of conflict [synonym: {buffer zone},
{buffer}]
3: an inclined metal frame at the front of a locomotive to clear
the track [synonym: {fender}, {buffer}, {cowcatcher}, {pilot}]
4: (computer science) a part of RAM used for temporary storage
of data that is waiting to be sent to a device; used to
compensate for differences in the rate of flow of data
between components of a computer system [synonym: {buffer},
{buffer storage}, {buffer store}]
5: a power tool used to buff surfaces [synonym: {buffer},
{polisher}]
6: a cushion-like device that reduces shock due to an impact
[synonym: {buffer}, {fender}]
7: an implement consisting of soft material mounted on a block;
used for polishing (as in manicuring) [synonym: {buff}, {buffer}]
v 1: add a buffer (a solution); "buffered saline solution for
the eyes"
2: protect from impact; "cushion the blow" [synonym: {cushion},
{buffer}, {soften}]

Buffer \Buff"er\ (b[u^]f"[~e]r), n. [Prop a striker. See
{Buffet} a blow.]
1. (Mech.)
(a) An elastic apparatus or fender, for deadening the jar
caused by the collision of bodies; as, a buffer at the
end of a railroad car.
(b) A pad or cushion forming the end of a fender, which
receives the blow; -- sometimes called {buffing
apparatus}.
[1913 Webster]

2. One who polishes with a buff.
[1913 Webster]

3. A wheel for buffing; a buff.
[1913 Webster]

4. A good-humored, slow-witted fellow; -- usually said of an
elderly man. [Colloq.] --Dickens.
[1913 Webster]

5. (Chem.) a substance or mixture of substances which can
absorb or neutralize a certain quantity of acid or base
and thus keep the degree of acidity or alkalinity of a
solution (as measured by pH) relatively stable. Sometimes
the term is used in a medical context to mean {antacid}.
[PJC]

6. (Computers) a data storage device or portion of memory
used to temporarily store input or output data until the
receiving device is ready to process it.
[PJC]

7. any object or person that shields another object or person
from harm, shock, or annoyance; as, the President's staff
is his buffer from constant interruptions of his work.
[PJC]


buffer \buff"er\ (b[u^]f"[~e]r), v. t. (Chem.)
to add a buffer[5] to (a solution), so as to reduce unwanted
fluctuation of acidity.
[PJC]

247 Moby Thesaurus words for "buffer":
T square, aegis, annul, antacid, antidote, arch dam, arm guard,
awl, backstop, bale breaker, bamboo curtain, bank, bar, barrage,
barrier, battering ram, bear-trap dam, beaver dam, bevel,
bevel square, bodkin, boom, bradawl, brattice, breakwater,
breastwork, brick wall, bring to nothing, buff, buffer state,
bulkhead, bulwark, bumper, calender, calipers, cancel, cancel out,
cant hook, caulking iron, center punch, chamois, cloison,
cofferdam, collision mat, come to nothing, contraceptive,
copyright, counteractant, counteractive, counteragent,
counterbalance, counterirritant, crash helmet, crowbar, cushion,
dam, dashboard, defense, diaphragm, dibble, dike, dissepiment,
ditch, dividers, dividing line, dividing wall, division, dodger,
drag, earthwork, edger, electric sander, electric soldering iron,
embankment, face mask, fence, fender, file, finger guard, flail,
foot guard, forceps, fork, frustrate, fuse, gate, glazer, goggles,
goose, governor, grader, grapnel, grappling iron, gravity dam,
grease gun, grindstone, groin, guard, guardrail, hand guard,
handrail, hard hat, harrow, hawk, helmet, hook, hydraulic-fill dam,
insulation, interlock, interseptum, invalidate, iron, iron curtain,
jack, jackscrew, jam, jetty, jointer, knee guard, knuckle guard,
laminated glass, lathe, leaping weir, levee, level, life preserver,
lifeline, lightning conductor, lightning rod, logjam, mangle, mask,
mat, midriff, midsection, milldam, miter box, moat, mole, mound,
mudguard, nail file, nail puller, negate, negativate, negative,
neutralize, neutralizer, nose guard, nullifier, nullify, offset,
pad, padding, palette knife, palladium, panel, parapet, paries,
partition, party wall, patent, peavey, pilot, pincers, pinch bar,
pitchfork, plane, planer, pliers, polisher, portcullis, press,
preventative, preventive, property line, prophylactic,
protective clothing, protective umbrella, puller, punch,
punch pliers, puncheon, putty knife, ram, rammer, rampart, ramrod,
remedy, ripping bar, roadblock, rock-fill dam, roller, rolling pin,
safeguard, safety, safety glass, safety plug, safety rail,
safety shoes, safety switch, safety valve, sander, screen,
screwdriver, seat belt, seawall, separation, septulum, septum,
shaper, shield, shin guard, shock pad, shutter dam, soldering iron,
spatula, square, stapler, steamroller, stone wall, stultify,
sun helmet, tackle, tamp, tamper, tamping pick, tap, thwart,
tire iron, tire tool, tongs, trowel, tweezers, umbrella, undo,
vise, vitiate, void, wall, weir, wicket dam, windscreen,
windshield, work, wrecking bar, wringer

1. An area of memory used for storing messages. Typically, a
buffer will have other attributes such as an input pointer
(where new data will be written into the buffer), and output
pointer (where the next item will be read from) and/or a count
of the space used or free. Buffers are used to decouple
processes so that the reader and writer may operate at
different speeds or on different sized blocks of data.

There are many different algorithms for using buffers, e.g.
first-in first-out (FIFO or shelf), last-in first-out (LIFO or
stack), double buffering (allowing one buffer to be read while
the other is being written), cyclic buffer (reading or writing
past the end wraps around to the beginning).

2. An electronic device to provide compatibility between two
signals, e.g. changing voltage levels or current capability.

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