what is aphonia definition
aphonia. [ÄfÅâ²nÄÂ·É]. Etymology: Gk, a, phone, without voice. a condition characterized by loss of the ability to produce normal speech sounds that results from overuse of the vocal cords, organic disease, or psychologic causes, such as anxiety.Kinds of aphonia include aphonia clericorum, aphonia paralytica, aphonia paranoica and spastic aphonia.See also speech dysfunction. aphonic, aphonous, adj. Complete speechlessness due to an inability to produce normal sounds secondary to organic (e.g., laryngeal) disease or mental retardation.inds of aphonia include aphonia clericorum, aphonia paralytica, aphonia paranoica and spastic aphonia. See also speech dysfunction. aphonic, aphonous, adj. Complete speechlessness due to an inability to produce normal sounds secondary to organic (e.g., laryngeal) disease or mental retardation.