e·lec·tro·po·ra·tion 
(ĭ-lĕk′trō-pə-rāshən)
(ĭ-lĕk′trō-pə-rāshən)n.
A process of applying a high-voltage electrical pulse to a living cell, causing temporary permeability of the cell membrane, through which a foreign material such as DNA may pass.
[ELECTRO- + poration, inducement of permeability of a cell membrane (PORE + -ATION).]