Magnetism

Similar term(s): magnet, magnetic.

A class of physical phenomena that include being able to attract iron.

Magnetism is associated with moving electricity, is exhibited by both magnets and electric currents, and involves force ["magnetic"] fields.

Source: CanCentral.com Glossary 

A magnet is any material that has a magnetic field. It can attract certain materials such as iron and attract or repel other magnets.

Permanent magnets do not rely upon outside influences to generate their field. They retain their magnetism for a long time.

Electromagnets rely upon electric current to generate a magnetic field. When the current increases, so does the field.

Source: GreenFacts

Source: Wake Forest University Magnetic Field Lines 

Magnetic field - Ferromagnetism - Geomagnetic field

GreenFacts Summary on Static Fields:

• 1. What are static electric and magnetic fields?

Español: Magnetismo
Français: Magnétisme

Static Fields