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cleave

 
Dictionary: cleave1   (klēv) pronunciation

v., cleft (klĕft), or cleaved, or clove (klōv), cleft, or cleaved, or clo·ven (klō'vən), cleav·ing, cleaves.

v.tr.
  1. To split with or as if with a sharp instrument. See synonyms at tear1.
  2. To make or accomplish by or as if by cutting: cleave a path through the ice.
  3. To pierce or penetrate: The wings cleaved the foggy air.
  4. Chemistry. To split (a complex molecule) into simpler molecules.
v.intr.
  1. Mineralogy. To split or separate, especially along a natural line of division.
  2. To penetrate or pass through something, such as water or air.

[Middle English cleven, from Old English clēofan.]

cleavable cleav'a·ble adj.

cleave2 (klēv) pronunciation
intr.v., cleaved, cleav·ing, cleaves.
  1. To adhere, cling, or stick fast.
  2. To be faithful: cleave to one's principles.

[Middle English cleven, from Old English cleofian.]


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Wordsmith Words: cleave
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(kleev) pronunciation
verb tr., intr. Past tense: clove or cleft or cleaved. Past participle: cloven or cleft or cleaved
To split or divide.

Etymology
From Old English cleofan. Ultimately from the Indo-European root gleubh- (to tear apart) that is also the source of glyph, clever, and clove (garlic). And that's also where cleavage, cleft palate, and cloven hooves get their names from

verb intr. past tense and past participle: cleaved
To stick, cling.
[From Old English cleofian.]

Usage
"It now looks as though technology has cleaved the society into two." — Isshaq Jumbe; Password Headache in A Fast-moving World; Business Day (Nairobi, Kenya); Sep 25, 2008.

"After that debate, those who loathe Mrs Palin will still loathe her; those who cleave to her will find no new reason to be repelled." — Janice Turner; Why I Love This Candy-covered Ball of Granite, Sarah Palin; The Times (London, UK); Oct 4, 2008.


The occurrence of a gemstone breaking into two or more pieces during the cutting or polishing process. Naturally occurring impurities in the stones increase the likelihood that a stone will break apart.

Investopedia Says:
Gemstones - especially large ones - are very rare. When large gemstones are found, they are usually sold to investors who pay to have the stones cut and polished. A large gemstone that is successfully cut and polished is many times more valuable than an unpolished stone of similar size. However, gemstone investments include the substantial risk that a stone will cleave during the cutting or polishing process, causing a substantial decrease in its value.

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This investment alternative may seem glamorous, but it's not for the faint of heart. Introduction To Gemology
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Thesaurus: cleave1
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verb

    To separate into parts with or as if with a sharp-edged instrument: carve, cut, dissever, sever, slice, slit, split. See assemble/disassemble.
cleave2

verb

    To hold fast: adhere, bond, cling, cohere, stick. See connect.

Antonyms: cleave
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v

Definition: divide, split
Antonyms: join, meld, unite


Word Tutor: cleave
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pronunciation

IN BRIEF: To split with a sharp blow. Also: To cling closely.

pronunciation The ax will cleave the log in two.

Wikipedia: Cleave (fiber)
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A cleave in an optical fiber is a deliberate, controlled break, intended to create a perfectly flat endface, perpendicular to the longitudinal axis of the fiber. Since there are no crystalline planes in glass, this process is not cleavage in the crystallographic sense of the word, although the techniques used and the finished result are quite similar.

A cleave is made by first introducing a microscopic fracture ("nick") into the fiber with a special tool, called a cleaving tool, which has a sharp blade of some hard material, such as diamond, sapphire, or tungsten carbide. If proper tension is applied to the fiber as the nick is made, or immediately afterward (this may be done by the cleaving tool in some designs, or manually in other designs), the fracture will propagate in a controlled fashion, creating the desired endface.

A good cleave is required for a successful splice of an optical fiber, whether by fusion or mechanical means. Also, some types of fiber-optic connectors do not employ abrasives and polishers. Instead, they use some type of cleaving technique to trim the fiber to its proper length, and produce a smooth, flat perpendicular endface.

Tools

  • Pen-shaped scribe (aka diamond-tip scribe or diamond wedge scribe) look like a ballpoint pen, but have a small wedge tip made diamond or other hard material. This tool is used with the "scratch and pull" technique. First the fiber is scribed perpendicular to the fiber. The fiber is then pulled, which breaks at the scribe. This tool requires an experienced operator to produce good cleaves.
  • Mechanical cleavers clamp the fiber in the correct position before a diamond wheel or blade scribes the fiber. Then, a force is applied and the fiber gives a nice break at the scribe. Mechanical cleavers give nicer and more repeatable cleaves.
  • Multifiber cleavers are used for ribbon fiber cables.

References

External links


Translations: Cleave
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Dansk (Danish)
1.
v. tr. - kløve, splitte, spalte, bane sig vej igennem
v. intr. - kløves, splittes, spaltes

idioms:

  • cleave through    bane sig vej igennem
  • clove hitch    dobbelt halvstik
  • cloven foot    spaltet klov, kløftet fod, hestehov
  • cloven hoof    kløftet hov

2.
v. intr. - klæbe til

idioms:

  • cleave to    holde sig til

Nederlands (Dutch)
splijten, klieven, doorklieven

Français (French)
1.
v. tr. - fendre (littér), (Géol) cliver (pierre)
v. intr. - se fendre, se feuilleter, se cliver

idioms:

  • cleave through    fendre
  • clove hitch    demi-clé
  • cloven foot    pied fourchu
  • cloven hoof    sabot fendu

2.
v. intr. - être foncièrement attaché à, adhérer à

idioms:

  • cleave to    être foncièrement attaché à, adhérer à

Deutsch (German)
1.
v. - sich spalten, spalten, durchschneiden

idioms:

  • cleave through    Öffnen, bahnen
  • clove hitch    Schifferknoten
  • cloven foot    Spaltfuß
  • cloven hoof    Spalthuf

2.
v. - kleben, (fig) jd. einer Sache treu bleiben

idioms:

  • cleave to    treu bleiben

Ελληνική (Greek)
v. - σχίζω, πελεκώ, διασπώ, προσκολλώ/-ώμαι

idioms:

  • cleave through    ανοίγω δρόμο
  • cleave to    μένω πιστός σε

Italiano (Italian)
fendersi, fendere, solcare

idioms:

  • cleave to    essere attaccato, essere devoto, restare fedele

Português (Portuguese)
v. - fender, abrir caminho, apegar-se

idioms:

  • cleave to    manter-se fiel

Русский (Russian)
расколоться, расколоть

idioms:

  • cleave to    примыкать к

Español (Spanish)
1.
v. tr. - separar, partir, surcar, hender
v. intr. - henderse, partirse, separarse

idioms:

  • cleave through    abrir paso
  • clove hitch    tipo de nudo
  • cloven foot    pezuña hendida
  • cloven hoof    pezuña hendida

2.
v. intr. - pegarse, adherirse, agarrarse, apegarse, ser fiel

idioms:

  • cleave to    adherirse a, no separarse de, serle fiel a

Svenska (Swedish)
v. - klyva, bilda en klyfta mellan, ta sig fram genom, klyva sig

中文(简体)(Chinese (Simplified))
1. 砍开, 劈开, 钻进, 穿过, 使分裂, 使分开, 被劈开, 披荆斩棘地前进, 破浪前进, 裂开

idioms:

  • cleave through    开出一条路, 挤出来
  • clove hitch    丁香结, 卷结, 酒瓶结
  • cloven foot    分趾蹄, 偶蹄, 魔鬼标志
  • cloven hoof    分趾蹄, 偶蹄, 恶魔的标志

2. 粘着, 粘住, 固守, 忠于

idioms:

  • cleave to    粘着, 坚持

中文(繁體)(Chinese (Traditional))
1.
v. tr. - 砍開, 劈開, 鑽進, 穿過, 使分裂, 使分開
v. intr. - 被劈開, 披荊斬棘地前進, 破浪前進, 裂開

idioms:

  • cleave through    開出一條路, 擠出來
  • clove hitch    丁香結, 卷結, 酒瓶結
  • cloven foot    分趾蹄, 偶蹄, 魔鬼標誌
  • cloven hoof    分趾蹄, 偶蹄, 惡魔的標誌

2.
v. intr. - 粘著, 粘住, 固守, 忠於

idioms:

  • cleave to    粘著, 堅持

한국어 (Korean)
1.
v. tr. - 쪼개다, 해치며 나아가다, 격리시키다
v. intr. - 쪼개지다, 분열하다

idioms:

  • cleave through    헤치며 나아가다

2.
v. intr. - 달라붙다, 집착하다

idioms:

  • cleave to    고수하다, 충실히 대하다

日本語 (Japanese)
v. - 付着する, 固守する, 裂く, 割れ目をつくる, 空を切る, 切り開く, 裂ける, 切って進む

idioms:

  • cleave to    …について離れない, 忠実である
  • cloven hoof/foot    分趾蹄

العربيه (Arabic)
‏(فعل) شق, فطر, فلق, فلع‏

עברית (Hebrew)
v. tr. - ‮ביקע‬
v. intr. - ‮התפצל, התבקע‬
v. intr. - ‮דבק ב- (מיושן)‬


 
 
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