Pronunciation: /ˈɪndɛks/

Definitions of index

noun a list or system used to access information in a book, database, or other resource

Example Sentences

A1 The index in the back of the book helps you find specific topics.

A2 She used the index on the website to locate the information she needed.

B1 The stock market index is used to measure the performance of a group of stocks.

B2 The index of a database can speed up search queries by organizing data efficiently.

C1 The index fund is a popular choice for investors looking for broad market exposure.

C2 The index of economic indicators provides insight into the overall health of the economy.

verb to list or include in an index

Example Sentences

A1 I can index the books in the library by author's last name.

A2 She learned how to index important information in her notebook.

B1 The search engine indexes websites based on keywords.

B2 It is important to index data properly for easy retrieval.

C1 The database software automatically indexes new entries for faster access.

C2 The book index allows readers to quickly find specific topics within the text.

adjective relating to an index or indexing

Example Sentences

A1 Can you show me where the index page is?

A2 The index finger is the one next to the thumb.

B1 The index card contains all the important information.

B2 The index funds have been performing well in the market.

C1 The index notation in the textbook makes it easy to find information.

C2 The index properties of the data set were carefully analyzed by the researchers.

preposition in the index

Example Sentences

A1 The index finger is next to the thumb.

A2 Please check the index at the back of the book to find the page number.

B1 The index of the website helps users navigate to different sections.

B2 The index of this research paper lists all the key terms and concepts.

C1 The index of the database allows for quick searching and retrieval of information.

C2 The index of the textbook is comprehensive and well-organized for easy reference.

Examples of index in a Sentence

formal The index of the book provides a comprehensive list of topics covered.

informal I couldn't find the page I needed because the index was all messed up.

slang I always skip the index and just search for what I need in the book.

figurative The index of a person's character can often be found in their actions.

Grammatical Forms of index

past tense

indexed

plural

indexes

comparative

more index

superlative

most index

present tense

index

future tense

will index

perfect tense

have indexed

continuous tense

is indexing

singular

index

positive degree

index

infinitive

to index

gerund

indexing

participle

indexed

Origin and Evolution of index

First Known Use: 1250 year
Language of Origin: Latin
Story behind the word: The word 'index' has its origins in Latin, derived from the word 'indicare' meaning to point out or show.
Evolution of the word: Originally used to refer to a pointer or indicator, the word 'index' evolved to also denote a list of items or topics with corresponding page numbers in a book or document. Over time, its usage expanded to include a wide range of meanings such as a measure of change, a statistical tool, and a sign or indication of something.