Audiovisual Dictionary Get to know the terms of the audiovisual ecosystem ALL0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ Retentivity It is the maximum possible remaining magnetization in a magnetic material. Retentivity values are obtained from a magnetometer to which a field of 5000 Oersteds (398 Ka/m) is applied. Our Services SportsRadio Production SystemsMaintenanceMedical Care BACK TO INDEX Field kA/m ← Resolution RGB →