conductivity

conductivity — noun

1. the ability of a material to let heat or an electric current pass through it, or

1.名詞B2
釋義

the ability of a material to let heat or an electric current pass through it, or a measurement of how well it does this

例句

The physics class measured the electrical conductivity of different metals using a special device.

measure + electrical conductivity + [substance]

Manuela checked the thermal conductivity of the insulation before installing it in the walls.

check + thermal conductivity + [material] for practical use

同義詞
  • conductance

    more specific to electrical circuits and components rather than material properties

  • conduction

    refers to the process of transferring heat or electricity, not the material's ability

  • transmissivity

    used mainly for heat or light passage through a material, less common for electricity

反義詞
  • resistance

    the opposite property; materials with high resistance have low conductivity

  • resistivity

    the specific quantitative measure of a material's opposition to electrical flow

文法句型

conductivity + of + substance

adjective + conductivity

conductivity + measurement/level/test

用法筆記

Conductivity is a technical term used mainly in physics and engineering. It is almost always paired with electrical or thermal to specify the type of conduction being described. Use high/low (not good/bad) to describe the degree.

常見錯誤

❌Copper has a good conductivity.
✅Copper has high conductivity.
💡conductivity is described as high or low, not good or bad.
❌The conductivity of this wire is very conduct.
✅This wire has very high conductivity.
💡conductivity is a noun; use an adjective (conductive) for the property description.