Electricity (noun)

1. A form of energy resulting from the movement of charged particles, such as electrons, through a conductor.
2. The physical phenomenon associated with the presence and motion of electric charges.

Origin:

From the latin word "electricus", which is derived from the greek word "elektron", meaning "amber", since electric charges were first observed in amber.

Examples:

1. He studied the flow of electricity through the circuit.
2. The electricity went out during the storm.
3. Electricity is used to power lights and appliances.
4. She is studying to become an electrician and work with electricity.
5. The use of renewable energy sources such as solar and wind power has increased in order to reduce the dependence on fossil fuels for electricity generation.