conductor

https://doi.org/10.1351/goldbook.08784
Material having the ability to transmit energy or charge carriers or both.
Note: The nature of the conductor is specified by the entity transmitted, e.g., electric (electron, hole, ion), thermal (heat) and acoustic.
Source:
PAC, 2022, 94, 15. 'Glossary of terms relating to electronic, photonic and magnetic properties of polymers (IUPAC Recommendations 2021)' on page 20 (https://doi.org/10.1515/pac-2020-0501)