[lep″to-fo´ne-ah] weakness or feebleness of the voice. adj., adj leptophon´ic.
hy·po·pho·ni·a
(hī'pō-fō'nē-ă), An abnormally weak voice due to incoordination of the muscles concerned in vocalization. Synonym(s): leptophonia, microphonia, microphony [hypo- + G. phōnē, voice]
leptophonia
(lĕp″tō-fō′nē-ă) [″ + phone, voice] Weakness of the voice.