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IELTS BNC: 1793 COCA: 2621

index

Word family
in·dex1 /ˈɪndeks/ ●●○ W2 AWL noun [countableC]
1. (plural indexes)TCNLIST an alphabetical list of names, subjects etc at the back of a book, with the numbers of the pages where they can be found 〔書後的〕索引
2. (plural indexes)TC a set of cards or a database containing information, usually arranged in alphabetical order and used especially in a library 〔尤用於圖書館的〕卡片[資料庫]索引
3 (plural indices /ˈɪndəsiːz/)SIGN/INDICATION a standard by which the level of something can be judged or measured 〔用於判斷或量度水平的〕標志,指標
index of
The changing size of an infant’s head is considered an index of brain growth.
嬰兒頭圍不斷變大標志着大腦在發育。
4. (plural indices /ˈɪndəsiːz/ or indexes) technicalBBT a system by which prices, costs etc can be compared to those of a previous date 〔用於比較今昔價格、費用等的〕指數
Examples from the Corpus
index2 AWL verb [transitiveT]
1 TCNLISTif documents, information etc are indexed, an index is made for them 編索引
The reports are indexed by subject and location.
報告按主題和位置編索引。
2 BEWto arrange for the level of wages, pensions etc to increase or decrease according to the level of prices 使〔工資、養老金等〕與物價水平挂鈎
be indexed to something British EnglishBrE
demands that wages be indexed to the rise in prices
要求工資與物價上漲挂鈎
be indexed for something American EnglishAmE
an amount indexed for inflation
和通貨膨脹挂鈎的數額
nGrammar
Index is usually passive.
indexation /ˌɪndekˈseɪʃən/ noun [countableC, uncountableU]
Examples from the Corpus
From Longman Business Dictionary
indexin·dex1 /ˈɪndeks/ noun (plural indexes or indices /-dɪsiːz/)
1[countableC] something such as a price, amount, level etc that shows the general level of related prices etc
The price of gold bullion on the exchange remains a sensitive index of confidence in the international market.
2[countableC]ECONOMICS a figure showing the level of something, for example prices, in relation to earlier levels. Indexes often use the figure 100 as the BASE in a particular year and figures for later years are given in relation to this base
average earnings index brand development index consumer confidence index consumer price index cost of living index Dodge index index of coincident indicators index of leading indicators industrial output index Industrial Sentiment index misery index order-book index producer price index Purchasing Managers' index Retail Price Index trade-weighted index
3[countableC]FINANCE (also share index), stock index an official list of the average price of shares in a group of companies on a particular stockmarket
Milan’s Stock Index fell 2% in the year.
the Nikkei share index
benchmark index FTSE 30 Share Index FTSE 100 Share Index FTSE All-Share Index FTSE Eurotop 100 Index FTSE Eurotop 300 Index FTSE Fledgling Index FTSE Mid 250 Index FTSE Small Cap Index Hang Seng Index IPO 100 Index Nikkei index Russell 2000 Index Standard & Poor’s Index sustainability index Thirty-Share Index weighted index see also CAC 40, DAX, Dow Jones averages
indexindex2 verb [transitiveT]
1ECONOMICSFINANCE to arrange for the level of payments such as wages or PENSIONs to go up at the same rate as something else, usually prices
index something to something
Tax exemptions should be indexed to the purchasing power of the pound.
2if an investment is indexed to something, for example a currency or a STOCK INDEX, its value rises and falls in relation to the currency etc
The yield of Ukrainian treasury bills is indexed to the value of the local currency, the hryvnia, in terms of the dollar.
indexation noun [uncountableU]
The government has so far resisted claims for a return to wage-price indexation despite a wave of strikes.
Origin index1
(1500-1600) Latin first finger, guide, from indicare; → INDICATE

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