Electrocardiogram is a medical test that measures the electrical activity of the heart.

I bought a new electro guitar yesterday.

He used to electroplate his jewelry to give it a shiny finish.

The electros in the lab were buzzing with energy.

He is electroing the circuit board.

He electroed the device to test its functionality.

Electro-osmosis is a phenomenon in which a liquid moves through a porous material under the influence of an electric field.

The electro-osmotic effect is commonly observed in microfluidic devices.

Electro-encephalography is used to measure electrical activity in the brain.

Electro-magnetics is a branch of physics that deals with the study of electromagnetic fields and their effects.