Definition of electromagnetical in US English:

electromagnetical

adjective

Physics
  • Electromagnetic.

Origin

Early 19th century; earliest use found in Michael Faraday (1791–1867), natural philosopher, scientific adviser, and Sandemanian. From electro- + magnetical.

Pronunciation

electromagnetical

/ɪˌlɛktrə(ʊ)maɡˈnɛtɪkl/