As a noun magnetism
is the property of being magnetic.
As an adjective magnetologic is
(physics|computing) describing a device that uses magnetism to perform the logical operations normally performed using electronics.
Other Comparisons: What's the difference?
The property of being magnetic
The science which treats of magnetic phenomena.
Power of attraction; power to excite the feelings and to gain the affections.
(physics, computing) Describing a device that uses magnetism to perform the logical operations normally performed using electronics