English definition of “power”
CONTROL [U] › control or influence over people and events: He likes to have power over people.
POLITICS [U] › political control in a country: They have been in power too long. When did this government come to power (= start to control the country)?
ENERGY [U] › energy, usually electricity, that is used to provide light, heat, etc: nuclear power Turn off the power at the main switch.
COUNTRY [C] › a country that has a lot of influence over others: a major world power
OFFICIAL RIGHT [C, U] › an official or legal right to do something: [+ to do sth] It's not in my power to stop him publishing this book.
STRENGTH [U] › strength or force: economic/military power
ABILITY [U] › a natural ability: to lose the power of speech
do everything in your power to do sth › to do everything that you are able and allowed to do: I've done everything in my power to help him.
the powers that be › important people who have authority over others → See also balance of power