a magnet that retains its magnetism after being removed from an external magnetic field.
a magnet, often of steel, that retains its magnetization after the magnetic field producing it has been removed
A piece of ferromagnetic material that retains its magnetism after it has been magnetized.
noun, Metalworking. 1. a reusable metal mold used for making a large number of identical castings.
noun 1. a process in which a fabric is chemically treated to make it wrinkle-resistant so as to require little or no ironing after washing. 2. the condition of a fabric so treated. noun 1.
- Permanent resident
noun 1. (Canadian) an immigrant who has been given official residential status, often prior to being granted citizenship
- Permanent set
noun 1. (engineering) the change in shape of a material that results when the load to which it is subjected causes the elastic limit to be exceeded and is then removed