| 释义 |
Collins Concise English Dictionary © HarperCollins Publishers:: shears /ʃɪəz/ pl n - large scissors, as for cutting cloth, jointing poultry, etc
- a large scissor-like and usually hand-held cutting tool with flat blades, as for cutting hedges
- any of various analogous cutting or clipping implements or machines
shear /ʃɪr/USA pronunciation v., sheared, sheared or shorn/ʃɔrn/USA pronunciation shear•ing, n. v. - Animal Husbandry to remove (hair, wool, etc.) from (an animal) by or as if by cutting:[~ + object]to shear wool from sheep.
- Mechanics
- [~ + object] to break (a wing of a plane) by great pressure from force parallel to it:The wind sheared the wing and the plane crashed.
- [no object] to break as the result of pressure:The wing sheared off and the plane dropped.
n. - Usually, shears. [plural]
- scissors of large size:a pair of shears.
- any of various cutting implements having two blades that suggest those of scissors:garden shears for trimming bushes.
shear•er, n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024shear (shēr),USA pronunciation v., sheared, sheared or shorn, shear•ing, n. v.t. - to cut (something).
- Animal Husbandryto remove by or as if by cutting or clipping with a sharp instrument:to shear wool from sheep.
- Animal Husbandryto cut or clip the hair, fleece, wool, etc., from:to shear sheep.
- to strip or deprive (usually fol. by of ):to shear someone of power.
- [Chiefly Scot.]to reap with a sickle.
- to travel through by or as if by cutting:Chimney swifts sheared the air.
v.i. - to cut or cut through something with a sharp instrument.
- to progress by or as if by cutting:The cruiser sheared through the water.
- Geology, Mechanics[Mech., Geol.]to become fractured along a plane as a result of forces acting parallel to the plane.
- Scottish Terms[Chiefly Scot.]to reap crops with a sickle.
n. - Usually, shears. (sometimes used with a sing. v.)
- scissors of large size (usually used with pair of ).
- any of various other cutting implements or machines having two blades that resemble or suggest those of scissors.
- Animal Husbandrythe act or process of shearing or being sheared.
- Animal Husbandrya shearing of sheep (used in stating the age of sheep):a sheep of one shear.
- Animal Husbandrythe quantity, esp. of wool or fleece, cut off at one shearing.
- one blade of a pair of large scissors.
- BuildingUsually, shears. (usually used with a pl. v.) Also, sheers. Also called shear legs, sheerlegs. a framework for hoisting heavy weights, consisting of two or more spars with their legs separated, fastened together near the top and steadied by guys, which support a tackle.
- a machine for cutting rigid material, as metal in sheet or plate form, by moving the edge of a blade through it.
- Mechanics, Geologythe tendency of forces to deform or fracture a member or a rock in a direction parallel to the force, as by sliding one section against another.
- Physicsthe lateral deformation produced in a body by an external force, expressed as the ratio of the lateral displacement between two points lying in parallel planes to the vertical distance between the planes.
- bef. 900; (verb, verbal) Middle English sheren, Old English sceran, cognate with Dutch, German scheren, Old Norse skera; (noun, nominal) (in sense "tool for shearing'') Middle English sheres (plural), continuing Old English scērero, scēar, two words derived from the same root as the verb, verbal
Collins Concise English Dictionary © HarperCollins Publishers:: shear /ʃɪə/ vb (shears, shearing, sheared, Austral NZ shore, sheared, shorn)- (transitive) to remove (the fleece or hair) of (sheep, etc) by cutting or clipping
- to cut or cut through (something) with shears or a sharp instrument
- to cause (a part, member, shaft, etc) to deform or fracture or (of a part, etc) to deform or fracture as a result of excess torsion or transverse load
- (transitive) often followed by of: to strip or divest: to shear someone of his power
- when intr, followed by through: to move through (something) by or as if by cutting
n - the act, process, or an instance of shearing
- a shearing of a sheep or flock of sheep, esp when referred to as an indication of age: a sheep of two shears
- a form of deformation or fracture in which parallel planes in a body or assembly slide over one another
- the deformation of a body, part, etc, expressed as the lateral displacement between two points in parallel planes divided by the distance between the planes
- either one of the blades of a pair of shears, scissors, etc
See also shears, shore3Etymology: Old English sceran; related to Old Norse skera to cut, Old Saxon, Old High German skeran to shear; see share²ˈshearer n |