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shear    音标拼音: [ʃ'ɪr]
n. 修剪,剪下的东西,羊的一岁,大剪刀,切变,剪,切
vt. 修剪,割,剥夺,切

修剪,剪下的东西,羊的一岁,大剪刀,切变,剪,切修剪,割,剥夺,切

shear
变形

shear


shear
n 1: (physics) a deformation of an object in which parallel
planes remain parallel but are shifted in a direction
parallel to themselves; "the shear changed the
quadrilateral into a parallelogram"
2: a large edge tool that cuts sheet metal by passing a blade
through it
v 1: cut with shears; "shear hedges"
2: shear the wool from; "shear sheep" [synonym: {fleece}, {shear}]
3: cut or cut through with shears; "shear the wool off the lamb"
4: become deformed by forces tending to produce a shearing
strain

Shear \Shear\, v. i.
1. To deviate. See {Sheer}.
[1913 Webster]

2. (Engin.) To become more or less completely divided, as a
body under the action of forces, by the sliding of two
contiguous parts relatively to each other in a direction
parallel to their plane of contact.
[1913 Webster]


Shear \Shear\, n. [AS. sceara. See {Shear}, v. t.]
1. A pair of shears; -- now always used in the plural, but
formerly also in the singular. See {Shears}.
[1913 Webster]

On his head came razor none, nor shear. --Chaucer.
[1913 Webster]

Short of the wool, and naked from the shear.
--Dryden.
[1913 Webster]

2. A shearing; -- used in designating the age of sheep.
[1913 Webster]

After the second shearing, he is a two-shear ram; .
. . at the expiration of another year, he is a
three-shear ram; the name always taking its date
from the time of shearing. --Youatt.
[1913 Webster]

3. (Engin.) An action, resulting from applied forces, which
tends to cause two contiguous parts of a body to slide
relatively to each other in a direction parallel to their
plane of contact; -- also called {shearing stress}, and
{tangential stress}.
[1913 Webster]

4. (Mech.) A strain, or change of shape, of an elastic body,
consisting of an extension in one direction, an equal
compression in a perpendicular direction, with an
unchanged magnitude in the third direction.
[1913 Webster]

{Shear blade}, one of the blades of shears or a shearing
machine.

{Shear hulk}. See under {Hulk}.

{Shear steel}, a steel suitable for shears, scythes, and
other cutting instruments, prepared from fagots of
blistered steel by repeated heating, rolling, and tilting,
to increase its malleability and fineness of texture.
[1913 Webster]


Shear \Shear\ (sh[=e]r), v. t. [imp. {Sheared}or {Shore};p. p.
{Sheared} or {Shorn}; p. pr. & vb. n. {Shearing}.] [OE.
sheren, scheren, to shear, cut, shave, AS. sceran, scieran,
scyran; akin to D. & G. scheren, Icel. skera, Dan. ski?re,
Gr. ???. Cf. {Jeer}, {Score}, {Shard}, {Share}, {Sheer} to
turn aside.]
1. To cut, clip, or sever anything from with shears or a like
instrument; as, to shear sheep; to shear cloth.
[1913 Webster]

Note: It is especially applied to the cutting of wool from
sheep or their skins, and the nap from cloth.
[1913 Webster]

2. To separate or sever with shears or a similar instrument;
to cut off; to clip (something) from a surface; as, to
shear a fleece.
[1913 Webster]

Before the golden tresses . . . were shorn away.
--Shak.
[1913 Webster]

3. To reap, as grain. [Scot.] --Jamieson.
[1913 Webster]

4. Fig.: To deprive of property; to fleece.
[1913 Webster]

5. (Mech.) To produce a change of shape in by a shear. See
{Shear}, n., 4.
[1913 Webster]

111 Moby Thesaurus words for "shear":
abbreviate, abridge, abscind, abstract, amputate, annihilate, ban,
bar, barb, barber, bare, bleed, bleed white, bob, boil down,
capsulize, clip, compress, condense, contract, crop, cull, curtail,
cut, cut away, cut back, cut down, cut off, cut off short, cut out,
cut short, denudate, denude, deplume, despoil, displume, divest,
dock, drain, dry, elide, eliminate, enucleate, epitomize,
eradicate, except, excise, exclude, exhaust, expose, extinguish,
extirpate, flay, fleece, foreshorten, impoverish, isolate,
knock off, lay bare, lay open, lop, manicure, milk, mow, mutilate,
nip, pare, peel, pick clean, pick out, pluck, poll, pollard, prune,
reap, recap, recapitulate, reduce, remove, retrench, root out,
rule out, set apart, set aside, shave, shorten, skin, skive, snip,
snub, stamp out, strike off, strip, strip bare, strip off, stunt,
suck dry, sum up, summarize, synopsize, take in, take off,
take out, telescope, trim, truncate, uncloak, uncover, unsheathe,
unveil, wipe out


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