power
- noun
- /ˈpaʊər/
- Specialized
- When calculating the power of ten, you multiply ten by itself several times according to the exponent.
- powers of two
- powers of ten
- powers of 2
A sum of integer powers of a variable, OK.
- A sum of integer powers of a variable, OK.
- We used all four properties, power, quotient, product, and equality.
- It only works for primes and powers of primes.
- Still, if you have a fractional power, you can still use the power rule.
Examples
-
So with involution, one raises the base to a power.
-
A binary bignum uses a power of two as a base.
Academic text (1999) -
You could square it, cube it, take powers, things like that.
-
The number of processors N does not need to be a power of two, but it must be even.
Academic text (2000) -
Do you realize what that'll do to the balance of power in our homes?
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But all these actions directed by the Federal Reserve alter the purchasing power of our money.
-
So each row is actually a set of ascending powers of a number.
-
In some countries, benefit checks simply stopped; in others, hyperinflation eroded their purchasing power to almost nothing.
Academic text (2002) -
Transformation of the decimal bignum times a power of ten into a binary bignum times a power of two.
Academic text (1999) -
But with space being really big and all, the chances of being picked up within that time are two to the power of two billion, 79 million, 460 thousand, 347 to one against.
Synonyms
A small number written above a number that shows how many times to multiply it by itself
A number written above another number showing how many times to multiply it by itself
Idioms
- Literature
A person who secretly controls a leader from behind the scenes
Having information gives a person an advantage to succeed or influence others
Compounds
- Specialized
Electricity made by using the energy inside atoms for homes and businesses
A situation where groups or countries share power so no one becomes too strong
- Formal
A document that allows one person to make legal and money decisions for another
- Specialized
A network of machines and wires that make and send electricity to homes and businesses
- Specialized
How fast electricity moves in a circuit is equal to voltage times current
- Literature
A person who controls votes and support to influence political and business decisions
- Specialized
The rate at which electricity flows through a circuit, measured by voltage times current
- Specialized
A system that helps a driver turn the steering wheel with less effort
- Literature
Two people in a romantic relationship who are both very successful and influential
- Jargon
A person who works with advanced computer programs and often needs a powerful computer
A tool that uses electricity or a battery to make holes in hard things like wood and metal
- Specialized
A group of companies that make electricity using energy from atoms
- Formal
Special authority the government uses during war to do things beyond normal limits
- Specialized
The ability of a microscope or telescope to see two close things as separate
A portable rechargeable battery that gives electricity to devices when there is no power
A central government gives power to local or regional governments to make local decisions
- Specialized
Energy in an electrical circuit that does useful work, like turning motors or lighting lamps
- Literature
A morning meeting where important people discuss business over breakfast
- Specialized
The study of how to make, move, and use electricity in systems like generators and power grids
- Specialized
A device that measures how much electricity a circuit or appliance uses
- Specialized
A person who runs or fixes machines at a power station that makes electricity
- Specialized
Connected gears and parts that send power from a vehicle's engine or motor to its wheels
- NSFW
Influence from people in a community, sometimes using sexual appeal to sway decisions
Surface Forms
Etymology
Power in math is a helpful image of 'strength': it shows how many times a number multiplies itself, so the word fits the idea of a number's multiplying 'force'.