electromagnetism

noun

Etymology: Etymology tree French électro-bor. Ancient Greek ἤλεκτρον (ḗlektron)bor. Latin ēlectrum Latin electro-bor. English electro- Old French magnetebor. Pre-Greekbor.? Ancient Greek Μάγνης (Mágnēs) Ancient Greek μᾰ́γνης (mắgnēs)bor. Latin magnēsbor. Middle English magnete English magnet Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō) Proto-Indo-European *-mos Proto-Indo-European *-mós Ancient Greek -μός (-mós) Ancient Greek -ισμός (-ismós)der. English -ism English magnetism English electromagnetism From electro- + magnetism.

1. A unified fundamental force that combines the aspects of electricity and magnetism and is one of the four fundamental forces.
2. Electricity and magnetism, collectively, as a field of study.