sharpness or shrillness of voice
Shrillness or high pitch of the voice. ... Origin: G. Oxys, sharp, + phone, voice ... (05 Mar 2000) ... 
(ok″se-fo´ne-ә) an abnormally sharp quality or pitch of the voice.
Type: Term Pronunciation: ok-sē-fō′nē-ă Definitions: 1. Shrillness or high pitch of the voice.
oxyphonia, oxyphony Excessive acuteness or shrillness of the voice; the high pitch of the voice.