Amphoric

a.

1.

(Med.) Produced by, or indicating, a cavity in the lungs, not filled, and giving a sound like that produced by blowing into an empty decanter; as, amphoric respiration or resonance.

Adj.

1.

amphoric - the sound heard in auscultation resembling the hollow sound made by blowing across the mouth of a bottle; "amphoric breathing indicates a cavity in the lung"

auscultation