magnetic wood
magnetic wood
n
1. (Electronics) wood containing fine particles of nickel-zinc ferrite which absorb microwave radio signals, used to line rooms where mobile phone use is undesirable
2. (Building) wood containing fine particles of nickel-zinc ferrite which absorb microwave radio signals, used to line rooms where mobile phone use is undesirable
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014