Definition for powers (2 of 2)
- work done or energy transferred per unit of time. Symbol: P
- the time rate of doing work.
- the product obtained by multiplying a quantity by itself one or more times: The third power of 2 is 8.
- (of a number x) a number whose logarithm is a times the logarithm of x (and is called the ath power of x). Symbolically, y =xa is a number that satisfies the equation log y = a log x.
- the exponent of an expression, as a in xa.
- cardinal number(def 2).
- the magnifying capacity of a microscope, telescope, etc., expressed as the ratio of the diameter of the image to the diameter of the object.Compare magnification(def 2).
- the reciprocal of the focal length of a lens.
verb (used with object)
Origin of power
SYNONYMS FOR power
Related formscoun·ter·pow·er, nounde-pow·er, verb (used with object)re·pow·er, verb
Examples from the Web for powers
This is a Hollywood director at the height of his powers creating original, wildly ambitious epics.Oscars 2015: The Daily Beast’s Picks, From Scarlett Johansson to ‘Boyhood’|Marlow Stern|January 6, 2015|DAILY BEAST
Indeed, it may never unless Western powers start raising the political stakes.
Needless to say, this does not enamor her to the powers that be in Cameroon.
They also used the powers of their separate agencies to cite waste haulers for spilling sludge along roadways.Two Texas Regulators Tried to Enforce the Rules. They Were Fired.|David Hasemyer, InsideClimate News|December 9, 2014|DAILY BEAST
If I were the powers that be, it would not have taken me three days to call the National Guard.‘Why Have I Lost Control?’: Cory Booker in ’92 on Rodney King Echoes Ferguson|Cory Booker|November 26, 2014|DAILY BEAST
He altogether doubted his own powers to perform satisfactorily the task before him.An Eye for an Eye|Anthony Trollope
When the powers are not used along the line of their strength they become demoralized, weakened, deteriorated.How to Succeed|Orison Swett Marden
Yet it was the beginning of his great career, both as to a consciousness of his own powers and in attracting the public attention.Beacon Lights of History, Volume XIII|John Lord
Now, if we consider that water raised to 212° is boiling, we shall be as much astonished at their powers of enduring heat as cold.
Even the powers of magic were tried in vain to effect his cure.Paris from the Earliest Period to the Present Day; Volume 1|William Walton
British Dictionary definitions for powers
- legal authority to act, esp in a specified capacity, for another
- the document conferring such authority
- a military force
- military potential
- the value of a number or quantity raised to some exponent
- another name for exponent (def. 4)
- the rate at which electrical energy is fed into or taken from a device or system. It is expressed, in a direct-current circuit, as the product of current and voltage and, in an alternating-current circuit, as the product of the effective values of the current and voltage and the cosine of the phase angle between them. It is measured in watts
- (as modifier)a power amplifier
- mechanical energy as opposed to manual labour
- (as modifier)a power mower
- a measure of the ability of a lens or optical system to magnify an object, equal to the reciprocal of the focal length. It is measured in dioptres
- another word for magnification
Word Origin for power
Medicine definitions for powers
Science definitions for powers
Culture definitions for powers
In mathematics, a power is a number multiplied by itself the number of times signified by an exponent placed to the right and above it. Thus, 32, which means 3 × 3, is a power — the second power of three, or three squared, or nine. The expression 106, or ten to the sixth power, means 10 × 10 × 10 × 10 × 10 × 10, or one million.
Idioms and Phrases with powers
In addition to the idioms beginning with power
- power behind the throne
- powers that be, the
- corridors of power
- more power to someone
- staying power