Noun

(en-noun)

An alphabetical listing of items and their location.

The index of a book lists words or expressions and the pages of the book upon which they are to be found.

The index finger; the forefinger.

A movable finger on a gauge, scale, etc.

(printing) A symbol resembling a pointing hand, used to direct particular attention to a note or paragraph.

That which points out; that which shows, indicates, manifests, or discloses.

* Arbuthnot

Tastes are the indexes of the different qualities of plants.

A sign; an indication; a token.

* Robert Louis Stevenson

His son's empty guffaws struck him with pain as the indices of a weak mind.

(linguistics) A type of noun where the meaning of the form changes with respect to the context. E.g., 'Today's newspaper' is an indexical form since its referent will differ depending on the context. See also icon and symbol.

(economics) A single number calculated from an array of prices or of quantities.

(science) A number representing a property or ratio, a coefficient.

(mathematics) A raised suffix indicating a power.

(programming, computing) An integer or other key indicating the location of data e.g. within an array, vector, database table, associative array, or hash table.

(computing, databases) A data structure that improves the performance of operations on a table.

(obsolete) A prologue indicating what follows.

(Shakespeare)

Noun

(social) Effectiveness.

# (countable) Capability or influence.

#*

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.

#*

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.

#* {{quote-book, year=1913, author=

, title=Lord Stranleigh Abroad, chapter=4 citation , passage=“[…] That woman is stark mad, Lord Stranleigh. Her own father recognised it when he bereft her of all power in the great business he founded. […]”}}

#* 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.

# Control, particularly legal or political (jurisdiction).

#* 1949', Eric Blair, aka '''(George Orwell) , ''(Nineteen Eighty-Four)

The Party seeks power' entirely for its own sake. We are not interested in the good of others; we are interested solely in '''power'''. Not wealth or luxury or long life or happiness: only '''power''', pure '''power'''. [...] We know that no one ever seizes '''power''' with the intention of relinquishing it. '''Power''' is not a means, it is an end. One does not establish a dictatorship in order to safeguard a revolution; one makes the revolution in order to establish the dictatorship. The object of persecution is persecution. The object of torture is torture. The object of '''power''' is ' power .

#* 2005 , Columbia Law Review , April

In the face of expanding federal power , California in particular struggled to maintain control over its Chinese population.

#* {{quote-magazine, date=2013-08-10, volume=408, issue=8848, magazine=(The Economist)

, title= Can China clean up fast enough? , passage=It has jailed environmental activists and is planning to limit the power of judicial oversight by handing a state-approved body a monopoly over bringing environmental lawsuits.}}

# (chiefly in the plural) The people in charge of legal or political power, the government.

# An influential nation, company, or other such body.

#* {{quote-magazine, date=2013-08-16, author= John Vidal

, volume=189, issue=10, page=8, magazine=(The Guardian Weekly) , title= Dams endanger ecology of Himalayas , passage=Most of the Himalayan rivers have been relatively untouched by dams near their sources. Now the two great Asian powers , India and China, are rushing to harness them as they cut through some of the world's deepest valleys.}}

(physical, uncountable) Effectiveness.

# Physical force or strength.

# Electricity or a supply of electricity.

#* {{quote-book, year=1913, author=

, title=Lord Stranleigh Abroad, chapter=4 citation , passage=“My father had ideas about conservation long before the United States took it up.

#* {{quote-magazine, date=2013-07-20, volume=408, issue=8845, magazine=(The Economist)

, title= Out of the gloom , passage=[Rural solar plant] schemes are of little help to industry or other heavy users of electricity. Nor is solar power yet as cheap as the grid. For all that, the rapid arrival of electric light to Indian villages is long overdue. When the national grid suffers its next huge outage, as it did in July 2012 when hundreds of millions were left in the dark, look for specks of light in the villages.}}

# A measure of the rate of doing work or transferring energy.

# A rate to magnify an optical image by a lens or mirror.

(mathematics) Effectiveness.

# A product of equal factors. Notation and usage: x''^''n'', read as "''x'' to the power of ''n''" or "''x'' to the ''n''th 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.

(biblical, in plural) In Christian angelology, an intermediate level of angels, ranked above archangels, but exact position varies by classification scheme.