sonant

His rich, dulcet tones made him a star of Princeton’s sonant circuit.

But no physiological or psychological explanation of consonance is given by this fact, for the simple reason that in the acoustic nerve-process nothing corresponding to the periodicity of the sonant stimulus is discoverable.

It is classed as a surd spirant, its corresponding sonant spirant being v, which is distinguished from f by being pronounced with voice instead of breath, as may be perceived by pronouncing ef, ev.

It is a mute and labial, pronounced solely by the lips, and is distinguished from p by being sonant, that is, produced by the utterance of voice as distinguished from breath.

I. E. sonant r and l become ri, li.