A term used to describe a material, like aluminum, that is unaffected by
magnetic fields. It is the opposite of ferromagnetic, which refers to
materials like iron that are influenced by
magnetic fields.
person: "I tried
sticking a magnet to this aluminum plate, but it didn't budge at all."
Mehdi: "Well, that's because aluminum is alumagnetic—
it doesn't get affected by
magnetic fields like iron does."