1) Amount 2) Magnetisation 3) Measure 4) Quantity 1) Magnetisation 
In classical electromagnetism, magnetization or magnetic polarization is the vector field that expresses the density of permanent or induced magnetic dipole moments in a magnetic material. The origin of the magnetic moments responsible for magnetization can be either microscopic electric currents resulting from the motion of electrons in atoms, or...
• (n.) The act of magnetizing, or the state of being magnetized.
(from the article `magnetism`) ...field, matter is either attracted or repelled in the direction of the gradient of the field. This property is described by the magnetic ... ...state they contained two (or more) sublattices spontaneously magnetized in opposite directions. In contrast to the simple antiferromagnetic ... Heinrich Barkh...
the total magnetic moment per unit volume of material. Also, a measure of the contribution to the magnetic flux by some material within an H field.
at a given point within a domain of quasi-infinitesimal volume V , vector quantity equal to the magnetic area moment m of the substance contained within the domain divided by the volume V : NOTE - The magnetization M satisfies the relation B = µo (H + M) where B is the magnetic flux density, H the magnetic field strength an...
the total magnetic moment per unit volume of material. Also, a measure of the contribution to the magnetic flux by some material within an H field.
Mag`net·i·za'tion noun The act of magnetizing, or the state of being magnetized. 
[n] - the extent or degree to which something is magnetized 2. [n] - the process that makes a substance magnetic (temporarily or permanently) 3. [n] - the physical property of being magnetic
The total magnetic moment per unit volume of material.A measure of the contribution to the magnetic flux by some material within an H field. 
magnetisation noun the physical property of being magnetic