- a value that identifies and is used to locate a particular element within a data array or table.
- a reference table that contains the keys or references needed to address data items.
- the part of a search engine where website addresses are cataloged with their associated keywords in order to quickly retrieve the most relevant web pages when a user submits a search query.
- an exponent.
- the integer n in a radical defining the n-th root: ∛ is a radical having index three.
- a subscript or superscript indicating the position of an object in a series of similar objects, as the subscripts 1, 2, and 3 in the series x1, x2, x3.
- winding number.
- a table of contents.
- a preface or prologue.
Origin of index
OTHER WORDS FROM index
How to use index in a sentence
Usually in this spot I look at the trailing five-day performance of one of the big indexes.The great disconnect: Big cash is surging into the markets, and yet COVID is socking stocks|Bernhard Warner|November 20, 2020|Fortune
That’s because five of its component companies have two share classes listed in the index.Watching the Dow is fun — but it’s not the real story|Allan Sloan|November 18, 2020|Washington Post
Still, Tesla’s soaring market value—some $387 billion—would make it one of the S&P 500’s largest constituents, a size that threatens to tip the index lopsided.Tesla will be added to the S&P 500, officially becoming a blue-chip stock|Jen Wieczner|November 16, 2020|Fortune
In all four real-world examples mentioned above, most of the cases were clustered near the person who was sick — and a minority happened more than three rows away from an index case.How risky is air travel in the pandemic? Here’s what the science says.|Brian Resnick|November 12, 2020|Vox
They offer touch-screen functionality on the index finger and thumb, and they can be easily stored in a carrying case to avoid cross-contamination when not in use.Must-have gadgets and accessories for safer winter (and pandemic) travel|Rachel King|November 6, 2020|Fortune
On the runway and off, models are often indexed against big moments—covers, campaigns, and runway shows.
She wants to increase the minimum wage up to a living wage—$16.70/hour and indexed to inflation—gradually by 2022.Could a Pro-Pot Lesbian Become the Next Governor of Maryland?|Jim Newell|March 11, 2014|DAILY BEAST
The Russian Trading System indexed dropped 12 percent on Monday, though seems to have recovered somewhat over the last two days.
And because Social Security benefits are indexed to wages and inflation, so is the likely trajectory of the system's finances.You're Doing it Wrong: Social Security Life Expectancy Calculations|Megan McArdle|January 7, 2013|DAILY BEAST
Lowering tax rates for everyone makes more people subject to the AMT, because it is not indexed for inflation.How Did We Leave Behind A Whopping Middle-class Tax Hike?||December 21, 2012|DAILY BEAST
A general glossary has been omitted, but the technical terms used have been indexed.The Sea-beach at Ebb-tide|Augusta Foote Arnold
(b) Periodical sets, which Poole indexed by titles only, but since 1900 the Readers' Guide has by both author and title.
All that work and all the papers and records have just simply piled up, are all being sorted out now, indexed and put in order.
When possible, these documents are classified, calendared, and indexed.The Ontario Archives|Alexander Fraser
Hitherto we have supposed that prints of the ten fingers have in each case been indexed.Finger Prints|Francis Galton
British Dictionary definitions for index
- another name for exponent (def. 4)
- a number or variable placed as a superscript to the left of a radical sign indicating by its value the root to be extracted, as in ³√8 = 2
- a subscript or superscript to the right of a variable to express a set of variables, as in using x i for x 1, x 2, x 3, etc
Derived forms of indexindexer, nounindexless, adjective
Word Origin for index
Medical definitions for index
Other words from indexin′dex′ v.
Cultural definitions for index
An alphabetical list of subjects treated in a book. It usually appears at the end of the book and identifies page numbers on which information about each subject appears.