counterelectrophoresis
noun
coun·ter·elec·tro·pho·re·sis
| \ ˌkau̇nt-ər-i-ˌlek-trə-fə-ˈrē-səs
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plural counterelectrophoreses\ -ˌsēz
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Medical Definition of counterelectrophoresis
: an electrophoretic method of testing blood especially for hepatitis antigens