n. & v.
n. 1 a small bubble on the skin filled with serum and caused by friction, burning, etc. 2 a similar swelling on any other surface. 3 Med. anything applied to raise a blister. 4 sl. an annoying person.
v. 1 tr. raise a blister on. 2 intr. come up in a blister or blisters. 3 tr. attack sharply (blistered them with his criticisms). blister copper copper which is almost pure. blister gas a poison gas causing blisters on the skin. blister pack a bubble pack. blistery adj.
[ ME perh. f. OF blestre, blo(u)stre swelling, pimple ]