(countable) capability or influence.
1749, Henry Fielding, The History of Tom Jones, a Foundling, Book III, chapter ii
An incident which happened about this time will set the characters of these two lads more fairly before the discerning reader than is in the Power of the longest dissertation.
1749, Henry Fielding, The History of Tom Jones, a Foundling, Book III, chapter iii
Thwackum, on the contrary, maintained that the human mind, since the fall, was nothing but a sink of iniquity, till purified and redeemed by grace. ... The favourite phrase of the former, was the natural beauty of virtue; that of the latter, was the divine Power of grace.
1998, Eckhart Tolle, The Power of Now
Past and future obviously have no reality of their own. Just as the moon has no light of its own, but can only reflect the light of the sun, so are past and future only pale reflections of the light, power, and reality of the eternal present.
(uncountable) physical force or strength.
He needed a lot of Power to hit the ball out of the stadium.
control, particularly legal or political (jurisdiction)
2005, Columbia Law Review, April
In the face of expanding federal power, California in particular struggled to maintain control over its Chinese population.
(uncountable) electricity or a supply of electricity.
After the pylons collapsed, this town was without Power for a few days.
(uncountable, physics) A measure of the rate of doing work or transferring energy.
(uncountable, physics) A rate to magnify an optical image by a lens or mirror.
We need a microscope with higher power.
(Biblical) In Christian angelology, the fourth level of angels, ranked above archangels and below principalities
(mathematics) A product of equal factors. Notation and usage: xn, read as "x to the Power of n" or "x to the nth power", denotes x × x × ... × x, in which x appears n times, where n is called the exponent; the definition is extended to non-integer and complex exponents.
(set theory) Cardinality.
(statistics) The probability that a statistical test will reject the null hypothesis when the alternative hypothesis is true.