hy·per·po·lar·ize also Brit hy·per·po·lar·ise .hī-pər-'pō-lə-.rīz 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 -.pō-lə-rə-'zā-shən n
Medical dictionary. 2011.