noun
Refers to the ability of a material to conduct electricity, heat, or sound. Common in scientific and technical contexts.
銅は電気伝導性が高い。
Copper has high electrical conductivity.
この素材は熱伝導性に優れている。
This material has excellent thermal conductivity.
導電性 is a synonym for electrical conductivity, but 伝導性 can also refer to thermal or acoustic conductivity.
Compound of 伝導 (conduction) + 性 (property, nature).