— hyperpolarization , n.
/huy'peuhr poh"leuh ruyz'/ , v. , hyperpolarized, hyperpolarizing . Physiol.
v.t.
1. to increase the difference in electric potential across (a cell membrane).
v.i.
2. to undergo such an increase.
Also, esp. Brit., hyperpolarise .
[ 1945-50; HYPER- + POLARIZE ]