Any of the various units to measure electricity and magnetism in the CGS (now replaced by SI) system of units; abbreviated emu, e.m.u., or EMU.

plural of electromagnetic unit

plural of electromagnetic wave

plural of electromagnetic field

plural of electromagnetic spectrum

A short-duration burst of high-intensity electromagnetic radiation generated by a physical event, in particular by a large thermonuclear explosion in the atmosphere. The pulse causes a damaging surge of voltage within electrical and electronic systems.

A strong electromagnet constructed from circular conducting metal plates (Bitter plates) and insulating spacers stacked in a helical configuration, rather than coils of wire.

plural of electromagnetic pulse

(pathology) An illness purportedly caused by electromagnetic radiation from electrical and electronic devices, usually with symptoms of headaches, blurry vision and nausea.

plural of electromagnetic induction