How to say "conduction" in Japanese

• 伝導でんどうCommon
  noun, suru verb, transitive verb, intransitive verbThe physics term: conduction of heat or electricity through something, and by extension transmission of light or sound. Choose this for 'conduction' in its literal, physical sense.
• 伝達でんたつJLPT N1approx.Common
  noun, suru verb, transitive verbTransmission, communication, delivery or conveyance — of news, chemical signals, or electricity. It is about conveying something to a recipient, not the physical process, so it is not the word for heat conduction.
  意思いし伝達でんたつは色々いろいろな形かたちをとる。↗

  Communication takes many forms.

Use 伝導 for the physical conduction of heat or electricity (and transmission of light or sound); use 伝達 for conveying or communicating things such as news, signals, or messages.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 伝導でんどうconduction (of heat or electricity)
• 伝達でんたつtransmission (e.g. news, chemical signals, electricity)
• 導通どうつうconduction
• 導電どうでんconduction
• 通流つうりゅうconduction
• 貫流かんりゅうflowing through