熱伝導(ねつでんどう)

ねつでんどう
noun
heat conduction; thermal conduction
formaltechnicalacademicscience
1. heat conduction; thermal conduction
The transfer of thermal energy through a material by direct contact between particles, without the material itself moving. A physics and engineering term that also appears in discussions of cookware and building materials.
銅(どう)は熱伝導(ねつでんどう)が良(よ)い。
Copper has good heat conduction.
このフライパンは熱伝導(ねつでんどう)が高(たか)く、素早(すばや)く温(あたた)まる。
This frying pan has high thermal conductivity and heats up quickly.
金属(きんぞく)と木(き)では熱伝導(ねつでんどう)の速(はや)さが大(おお)きく異(こと)なる。
The speed of heat conduction differs greatly between metal and wood.

A scientific term combining 熱(ねつ) (heat) and 伝導(でんどう) (conduction, transmission). Used in physics and engineering, as well as in consumer contexts describing cookware, thermal insulation, and electronics cooling.

Common collocations

  • 熱伝導(ねつでんどう)が良(よ)い / 悪(わる)い: has good / poor heat conduction
  • 熱伝導(ねつでんどう)率(りつ): thermal conductivity (coefficient)
  • 熱伝導(ねつでんどう)性(せい): thermal conductivity (property)
  • 熱伝導(ねつでんどう)シート: thermal conduction sheet (used in electronics)

Related words

  • 対流(たいりゅう): convection — heat transfer via fluid movement
  • 放射(ほうしゃ): radiation — heat transfer via electromagnetic waves
  • 断熱(だんねつ): heat insulation — blocking heat transfer

Related Words

Related: 放射(ほうしゃ) (radiation)
Related: 断熱(だんねつ) (heat insulation)
Compare: 導熱(どうねつ) (heat conduction)
Compare: 熱伝達 (heat transfer)
general
Added 2026.4.13 3:10 · Revised 2026.9.2 13:02
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