A decoration attached to a magnet, displayed on the outside of refrigerator doors, sometimes used to attach a written reminder. / (Britain, slang) A stupid person.

(physics) The dependence of any magnetic property of a material on the direction in which it is measured.

(chemistry) A laboratory machine that produces a rotating magnetic field, so that a magnetic stir bar will automatically stir a chemical solution. They often incorporate an electric heating plate.

(geography) At a given point, the direction in which the magnetic North Pole of the Earth lies.

(slang) A person, especially a woman, who is attractive to men.

A method of supporting and transporting objects and vehicles by using a magnetic field to counterbalance the gravitational pull.

(chiefly Canada, US, idiomatic, slang) A person, especially a man, to whom women are attracted.

(modern) B-field. / (dated) H-field.

(physics) a magnetic field with axial symmetry capable of converging a beam of charged particles of uniform velocity and of forming images of objects placed in the path of such beam

(physics) a measure of the magnetisation of a material in a magnetic field; symbol μ. Materials with values less than 1 are diamagnetic those above are paramagnetic.