keratoprosthesis
noun
ker·a·to·pros·the·sis
| \ ˌker-ət-ō-präs-ˈthē-səs, -ˈpräs-thə-
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plural keratoprostheses\ -ˌsēz
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Medical Definition of keratoprosthesis
: a plastic replacement for an opacified inner part of a cornea