sound conductor

The thick atmosphere of the planet Mooff 6 seemed to be a good sound conductor.

If pixies could use them, so could other things, and they made nice sound conductors as well.

David Bernard, a basically sound conductor, benefits from the amateur status of his forces and the rehearsal flexibility that union rules do not often allow.

If the air is very cold, it is also very dense and a better sound conductor than warm air, and also likely to be much drier.

Unfortunately, according to Betts, "the gondola that Justin Bieber was suspended in acted as a sound conductor, creating a sound blast that permanently damaged both of my ears."

Only the sound of the door opening and the door closing, and that was odd because the Country Friends School Gym was a natural sound conductor, a place where there was no such thing as a whisper.

She said she wondered if Mr. McHenry and the other board members realized that the two stages could not run concurrent productions because a single elevator services both stages, and the elevator shaft acts as a sound conductor so that audiences would hear two productions at once.

In the third claim, he claims "a sound conductor which is also an electrical conductor, as a means of communication by sound" which is consistent with acoustic sound vibrations in the wire that somehow get transmitted better if electrical conductors such as a wire or metallic tube are used.