cophosisn.
/kəʊˈfəʊsɪs/ Pathology.
Total deafness.
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the world > health and disease > ill health > a disease > disorders of ear > disordered hearing > [noun] > deafness
deafheadc1350
deafness1398
surdity1598
cophosis1657
presbycusis1890
1657 Physical Dict. Cophosis, is when the hearing is totally gone, so that the patient either heareth no noyse, or if he do, he cannot distinguish.
1706 in Phillips's New World of Words (new ed.)
1853 W. Wilde Pract. Observ. Aural Surg. 381 Cophosis, or total deafness, coming on gradually, and unaccompanied by any symptom but noise in the ear.
1872 J. H. Bennett Text-bk. Physiol. II. 364 Loss of motion or sensibility in a limited part of the body, or confined to a special sense, as in lead-palsy, or in amaurosis, cophosis, [etc.].
This entry has not yet been fully updated (first published 1893; most recently modified version published online June 2018).
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n.1657