shear

名词 n. 动词 v. 形容词 adj.
中文释义
英 /ʃɪə(ɹ)/    美 /ʃɪɹ/

英文释义

名词 n.
  1. A cutting tool similar to scissors, but often larger. countable,uncountable
    — short of their wool, and naked from the shear
  2. A large machine use for cutting sheet metal. countable,uncountable
  3. The act of shearing, or something removed by shearing. countable,uncountable
    — 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.
  4. Forces that push in opposite directions. countable,uncountable
  5. The phenomenon of wind shear. uncountable
    — The first effect of a wind shear was detected at 34 to 42 seconds into the takeoff, at a speed of about 115 KIAS with the airplane about 3,800 feet down the runway. An average shear rate of about 2.5 knots per second resulted in an interruption in acceleration at this point with the airspeed remaining at 115 to 120 KIAS for 7 to 10 seconds.
  6. A specific instance of wind shear. countable
    — We hit a nasty shear on approach and had to go around.
  7. A transformation that displaces every point in a direction parallel to some given line by a distance proportional to the point's distance from the line. countable,uncountable
  8. The response of a rock to deformation usually by compressive stress, resulting in particular textures. countable,uncountable
动词 v.
  1. To remove the fleece from (a sheep, llama, etc.) by clipping. intransitive,transitive
    — shear the llamas
  2. To cut the hair of (a person).
    — shear the afro off someone's head
  3. To cut, originally with a sword or other bladed weapon, now usually with shears, or as if using shears.
    — So trenchant was the Templar’s weapon, that it shore asunder, as it had been a willow twig, the tough and plaited handle of the mace, which the ill-fated Saxon reared to parry the blow, and, descending on his head, levelled him with the earth.
  4. To deform because of forces pushing in opposite directions.
  5. To change in direction or speed. intransitive
    — The total along-the-runway wind component sheared from an 8-knot headwind to about a 56-knot tailwind over a 44-second period.
  6. To transform by displacing every point in a direction parallel to some given line by a distance proportional to the point’s distance from the line.
  7. To make a vertical cut in coal. intransitive
  8. (also 'shear off') To break or suddenly separate because of excessive force, eg. a bolt.
  9. To reap, as grain. Scotland
    — Soon as the bending Scythe, And Sickle keen, have shear'd the golden Grain, Array'd in all the Equipage of Death, Forth the stern Sportsman stalks
  10. To deprive of property; to fleece. figuratively
形容词 adj.
  1. Misspelling of sheer. alt-of,misspelling

词形变化

shears present,singular,third-person shearing participle,present sheared past shore past shorn participle,past sheared participle,past shears plural

词汇关系

衍生词
beshear hydroshear reshear shearability shearable shear off toshear alligator shear crocodile shear guillotine shear Kepler shear magnetoshear megashear microshear preshear shearbill shear-cake shear centre shearer shearfree shear hog shear legs shearless shearlet shearlike shear line shearline shearling shearman shear modulus shearography shearotactic shearotaxis shearpole shear steel shear strength shear stress sheartail shear-thickening shear-thinning shear viscosity shear wall shearwall shearwater shear wave shear zone Sherman squaring shear throatless shear wind shear windshear

词源

词源 1
From Middle English sheren, scheren, from Old English sċieran (“to shear; to shave”), from Proto-West Germanic *skeran, from Proto-Germanic *skeraną, from Proto-Indo-European *(s)ker- (“to cut”).
Cognate with West Frisian skarre, Low German, Dutch, and German scheren, Danish skære, Norwegian Bokmål skjære, Norwegian Nynorsk skjera, Swedish skära, Faroese and Icelandic skera, Finnish keritä; and (from Indo-European) with Ancient Greek κείρω (keírō, “to cut off”), Latin caro (“flesh”), Albanian shqerr (“to tear, cut”), harr (“to cut, to mow”), Lithuanian ski̇̀rti (“separate”), Welsh ysgar (“separate”). See also sharp.
词源 2
From Middle English sheren, scheren, from Old English sċieran (“to shear; to shave”), from Proto-West Germanic *skeran, from Proto-Germanic *skeraną, from Proto-Indo-European *(s)ker- (“to cut”).
Cognate with West Frisian skarre, Low German, Dutch, and German scheren, Danish skære, Norwegian Bokmål skjære, Norwegian Nynorsk skjera, Swedish skära, Faroese and Icelandic skera, Finnish keritä; and (from Indo-European) with Ancient Greek κείρω (keírō, “to cut off”), Latin caro (“flesh”), Albanian shqerr (“to tear, cut”), harr (“to cut, to mow”), Lithuanian ski̇̀rti (“separate”), Welsh ysgar (“separate”). See also sharp.
词源 3
From Middle English sheren, scheren, from Old English sċieran (“to shear; to shave”), from Proto-West Germanic *skeran, from Proto-Germanic *skeraną, from Proto-Indo-European *(s)ker- (“to cut”).
Cognate with West Frisian skarre, Low German, Dutch, and German scheren, Danish skære, Norwegian Bokmål skjære, Norwegian Nynorsk skjera, Swedish skära, Faroese and Icelandic skera, Finnish keritä; and (from Indo-European) with Ancient Greek κείρω (keírō, “to cut off”), Latin caro (“flesh”), Albanian shqerr (“to tear, cut”), harr (“to cut, to mow”), Lithuanian ski̇̀rti (“separate”), Welsh ysgar (“separate”). See also sharp.
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