electromagnetic
Technical term used in physics and engineering to describe phenomena involving both electricity and magnetism.
Electromagnetic waves travel at the speed of light.
This device uses electromagnetic force.
electromagnetic record
Compound of 電磁 (denji, 'electromagnetic') + 的 (-teki, '-like, -ic'). The base 電磁 is itself a compound of 電 (den, 'electricity') and 磁 (ji, 'magnetism').