electricity
B1Pronunciation
UK
- /ɪlɛktrˈɪsɪtˌi/
US
- /ɪˌlɛkˈtrɪsəti/
Description
- power
- energy
- current
Electricity isn't just about lights turning on; it's a form of energy that powers much of the modern world. Think of a lightning storm; that is raw, untamed electricity. But it also flows through wires to run your phone, heat your home, and power the screen you're reading this on. It can be generated from many sources, including water, wind, sunlight, or burning fuel.
Sometimes "electricity" refers to the energy itself (like saying "We need more electricity!"), and other times it refers to the supply of power to homes, buildings, and machines. If someone has a lot of energy and excitement, you might say they have an "electric" personality.
Electricity is a form of energy connected to electric charge, which is carried by particles such as electrons and protons. It is part of electromagnetism, one of the four basic forces in nature, and it plays an essential role in countless parts of our lives.
At its core, electricity involves the flow of electric charge. This can manifest in several ways: static electricity (like the shock you get from touching a metal doorknob on a dry day), current electricity (the continuous flow through wires that powers devices), and even magnetism (because moving electric charges create magnetic fields).
The word "electricity" comes from the Greek word elektron, meaning "amber," as ancient Greeks noticed that rubbing amber could attract small objects.
Today, we use electricity for everything from lighting and heating to communication and transportation. It is generated in many ways: hydroelectric dams using moving water, wind turbines capturing wind energy, solar panels converting sunlight, and fossil fuel-powered plants creating steam to turn generators.
Beyond its practical applications, "electricity" is often used metaphorically. A captivating performance might be described as "electric," meaning it is full of energy and excitement. Similarly, a tense atmosphere could be said to have an "electrical charge." Whether you're thinking about the science behind it, the power in your home, or the feeling of a thrilling moment, electricity is something that shapes our world in countless ways.
Examples
- 1
Power outage
We didn't have electricity for two days after the storm.
- 2
Appliances
This heater uses a lot of electricity in winter.
- 3
Rent
The rent includes water, but we pay extra for electricity.
- 4
Rural access
The village got electricity only a few years ago.
- 5
Solar power
Solar panels can generate enough electricity for the whole building.
- 6
Electrical safety
Make sure the electricity is off before you touch those wires.
- 7
Utility bill
Our electricity bill was higher than usual this month.
- 8
Static charge
In dry weather, I get a lot of static electricity from this sweater.
Phrase
static electricity
a small electric charge that builds up on a person or object
- 9
Excited atmosphere
There was real electricity in the room as the singer walked on stage.
Phrase
electricity in the room
a strong feeling of excitement
Forms and spellings
1 form open this card.
Main spelling
- electricitynoun