subvocal speech

sub·vo·cal speech

slight movements of the muscles of speech related to thinking but producing no sound.

sub·vo·cal speech

(sŭb-vō'kăl spēch) Slight movements of the muscles of speech related to thinking but without production of sound.

sub·vo·cal speech

(sŭb-vō'kăl spēch) Slight movements of muscles of speech related to thinking but producing no sound.