also Brit  hy*per*po*lar*ise  vb, -ized  or chiefly Brit  -ised  -iz*ing  or chiefly Brit  -is*ing vt  :  to produce an increase in potential difference across (a biological membrane) <a hyperpolarized nerve cell>  vi  :  to undergo or produce an increase in potential difference across something hy*per*po*lar*iza*tion also Brit  hy*per*po*lar*isa*tion  n 
 
 
 
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