power
part of speech
noun (power, powers); verb (power, powers, powered, powering)
meaning for a pupil
1) Power is the ability or strength to do something or to make things happen. tree →
2) Power is control over people or things, like the power of a king. tree →
3) Power is energy, especially electricity, used to run machines. tree →
4) To power something means to give it energy so it works. tree →
5) In maths, a power is how many times a number is multiplied by itself, like 2 to the power of 3. tree →
sense in the lessons
In science and everyday life «power» often means electricity: a power cut, a power station, solar power, wind power; in safety, never touch power lines or poke things into power sockets. In maths, powers are written small and high: 2³ = 2 × 2 × 2 = 8; «squared» is the power of 2. In stories superheroes have special powers, and kings and queens have power. In history and citizenship, people vote to decide who has power. Phrases: «power cut», «in power», «do everything in my power».
examples
- There was a power cut, so we used candles. tree →
- The car is powered by electricity. tree →
- Solar power comes from the Sun. tree →
- Stay away from fallen power lines. tree →
- Her superpower is being invisible. tree →
- 10 to the power of 2 is 100. tree →
- The king had great power over the land. tree →
- I will do everything in my power to help. tree →
- In our time water has wonderful powers. tree →
note
Usually uncountable for energy and strength; countable for special abilities (powers). In maths, «to the power of 3» is not times 3: 2 to the power of 3 is 8, not 6. A «power socket» (UK) is an «outlet» (US). «Powerful» = having lots of power.
In the corpora
- One worker alone has little power, but many together are much harder to ignore.
- If the remote is lost, the power button on the TV itself, or on the wall, switches it off.
- He writes on the back of an envelope: food £45, bus fares £20, power £15.
- When money comes in, the must-pay bills (rent, power, food) come before treats.
- Banksy is a British street artist whose name and face are kept secret; his stencils often joke about war, money and power.
Trees and pragmatics
Every meaning and example of «power» parsed by Mova, each sentence with its dependency tree and frames.