electro etch

t. To etch by means of voltaic electricity. electro-etching, s. A proce for biting-in an engraving by attaching it to the copper of the battery in an electro-bath. The plate is covered with a ground and etched in the usual manner; being immersed for a while in the bath, it is withdrawn, and the fine lines stopped out; a second immersion deepens the lines and makes the next tint, and so on. electro magnetic electro-gild, v. t. To gild by means of an electric current.