phac·o·e·mul·si·fi·ca·tion 
(făk′ō-ĭ-mŭl′sə-fĭ-kāshən)
(făk′ō-ĭ-mŭl′sə-fĭ-kāshən)n.
Removal of a cataract by emulsifying the lens ultrasonically.
[Greek phakos, lentil, lentil-shaped object; see bha-bhā- in the Appendix of Indo-European roots + EMULSIFICATION.]