demagnetise
v 1: erase (a magnetic storage device) [syn: {demagnetize},
{demagnetise}]
2: make nonmagnetic; take away the magnetic properties (of);
"demagnetize the iron shavings"; "they degaussed the ship"
[syn: {demagnetize}, {demagnetise}, {degauss}] [ant:
{magnetise}, {magnetize}]