導どう体たいどうたいFreq.FrequencyTop 100,000Meanings1nounconductorRefers to a material that conducts heat or electricity. Common in physics and engineering contexts.銅どうは電でん気きの良よい導どう体たいです。Copper is a good conductor of electricity.この素そ材ざいは熱ねつの導どう体たいとして使つかわれる。This material is used as a conductor of heat.