切变 (qiē biàn) — (physics) shear, shear stress

Definition

Physics term for 'shear' — a force that causes one layer of a material to slide relative to another, deforming its shape. Used in technical contexts like shear strength, shear force, and shear load.

verb
(physics) shearshear stress

Examples

  • 切变。
    Zhè zhǒng cái liào de qiē biàn qiáng dù hěn gāo.
    The shear strength of this material is very high.
  • ，切变。
    Zài fēng de zuò yòng xià, jiàn zhù wù huì shòu dào qiē biàn lì de yǐng xiǎng.
    Under the action of wind, buildings are affected by shear forces.
  • 切变。
    Gōng chéng shī jì suàn le gāi jié gòu zài qiē biàn hè zǎi xià de biǎo xiàn.
    The engineer calculated the performance of the structure under shear load.

Origin

Compound word
构词法gòucífǎ
偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

切qiècut
变biànchange

The 切 (cut) and 变 (change) senses combine to name shear deformation.

Characters in this word

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
刀刀dāoknife
Sound part声符shēngfú
七
七qī切qiè
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

In 切, the 刀 (knife) part is joined to 七, which gives the sound.

Open 切 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

This origin belongs to the traditional form 變; 变 is its simplified writing.

Meaning part形符xíngfú
攴攴pū
Sound part声符shēngfú
䜌
䜌䜌變biàn
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

The traditional form 變 uses 䜌 as a sound part and 攴 as a meaning part.

Open 变 →

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