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📕 rednote ID(小红书号)：3881567312

Index Meaning: Book List & Stock Market Measure (2 meaning)

Meaning 1：alphabetical list (index)

index 🔊

/ˈɪn.deks/

n., v.

A list at the end of a book that helps you quickly find specific information by showing you the page numbers.

alphabetical list 🔊

➕

/ˌæl.fəˈbet.ɪ.kəl lɪst/

n., v.

A list at the end of a book that shows topics or names in alphabetical order with the page numbers where they appear.

📁 Category：School Education 🔖 Level：Intermediate

📘 Details & Usage

📖 Root Explanation

From Latin 'index' (informer, pointer), from 'indicare' (to point out), from 'in-' + 'dicere' (to say).

💡 Mnemonic

Think 'In Dex' – a list to jump into the book's content like a detective's clue.

📖 Example

If you want to learn about climate change in this textbook, check the index at the back first; it will tell you which pages to read. 🔊 If you want to learn about climate change in this textbook, check the index at the back first; it will tell you which pages to read.

🔗 Collocations

look up in the index – to search for a topic using the index

index entry – a single item listed in the index

index page – a page containing part of the index

🔄 Synonyms

catalog (n.) – a systematic list of items, often with descriptions

directory (n.) – a list of names and addresses or other information

register (n.) – an official list or record

🌱 Derivatives

indexation (n.) – the act of creating an index

indexer (n.) – a person who compiles indexes

indexical (adj.) – relating to or serving as an index

📖 Cultural Story

Originally Latin for 'informer' or 'pointer,' index entered English in the 16th century for book lists. Today, in computing, an index is a data structure that speeds up searches.

Meaning 2：statistical measure (index)

index 🔊

/ˈɪn.deks/

n., v.

A number or system that shows the level or change of something, like prices or performance, compared to a standard point.

Index stock market line graph on smartphone screen

statistical measure 🔊

➕

/stəˈtɪs.tɪ.kəl ˈmeʒ.ər/

n., v.

A number that shows the changes in the value of something, such as stock prices or consumer prices, compared to a base value over time.

📁 Category：Social Economy 🔖 Level：Intermediate

📘 Details & Usage

📖 Example

The news said the consumer price index rose by 2% this month, meaning everyday things are getting a bit more expensive. 🔊 The news said the consumer price index rose by 2% this month, meaning everyday things are getting a bit more expensive.

🔗 Collocations

consumer price index (CPI) – a measure of the average change in prices paid by consumers

stock market index – a measure of the performance of a group of stocks

index fund – an investment fund that tracks a market index

🔄 Synonyms

benchmark (n.) – a standard against which things may be compared

gauge (n.) – a measurement tool or standard of comparison

indicator (n.) – a sign or signal that shows the condition of something

🌱 Derivatives

indexation (n.) – the adjustment of wages or pensions according to an index

indexing (n.) – the process of compiling an index

indexer (n.) – an entity that calculates an index