1867 T. Carlyle in Aug. 334/2 Goethe has shadowed out a glorious far-glancing specimen of that Non-vocal, or very partially-vocal kind of School.
1936 J. R. Kantor xiii. 184 There is still left the question of interjectional acts or even non-vocal behavior.
1991 H. Rheingold iii. vii. 165 Kramer developed a glove that used strain gauges to convert finger-spelled words into speech, for use by nonvocal deaf and deaf-blind persons.