指出某個水準高低的指標／指數
同一根手指，換成指向「一個水準有多高」：不是指到書裡某一頁，而是指出物價、成本、景氣此刻停在哪個高度。
indicator, measure · noun · C1
Something you can measure or look at to judge the level of something else.
指標
核心畫面
Picture a pointing finger — the Latin index was the , the finger you raise to point something out. So the word is always a pointer: something that points you to where a thing is, or points to how high or low some level sits.
可以想成一根指出來的手指——拉丁文 index 本來就是「食指」，那根你舉起來指東西的手指。所以這個字骨子裡一直是個…更多收起
可以想成一根指出來的手指——拉丁文 index 本來就是「食指」，那根你舉起來指東西的手指。所以這個字骨子裡一直是個「指路的東西」：它要嘛指給你某樣東西在哪，要嘛指出某個水準有多高多低。From the word’s history
From Latin index 'the one that points out; the forefinger', from indicare 'to point out' (in- + dicare 'to proclaim') — the same root as indicate. An index is literally a thing that points.
來自拉丁文 index（指出東西的那個；食指），源於 indicare（指出來，in- 加 dicare「宣告」），跟 indicate 同一個字根。index 字面上就是「一個會指的東西」。
etymonline.com/word/index; Saturday Evening Post 'In a Word: Pointing Out the Index'
From the picture
Also in this word
book index · noun · C1
An alphabetical list at the back of a book that shows which page each subject or name is on.
索引
card or computer index · noun · C1
A set of cards or a computer list, usually in alphabetical order, used to find information, especially in a library.
索引檔
index, create an index · verb · C1
To make an index for documents or information so people can find things easily.
為…編索引
原始詞典資料28 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
Indexname
- 1
An unincorporated community in Miller County, Arkansas.
- 2
An unincorporated community in Morgan County, Kentucky.
- 3
A ghost town in Cass County, Missouri.
- 4
A small hamlet in Otsego County, New York.
- 5
An unincorporated community in King George County, Virginia.
- 6
A town in Snohomish County, Washington.
- 7
An unincorporated community in Gilmer County, West Virginia.
indexnoun/ˈɪndɛks/
- 1
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.
- He isn't able to find the index of the book.
- 2
The index finger; the forefinger.
- 3
A movable finger on a gauge, scale, etc.
- 4
mediapublishingtypographyA symbol resembling a pointing hand, used to direct particular attention to a note or paragraph.
- 5
That which points out; that which shows, indicates, manifests, or discloses.
- Among the gravity indexes is the severance of diplomatic relations.
- Tastes are the Indexes of the different Qualities of Plants.
- 6
A sign; an indication; a token.
- His son's empty guffaws […] struck him with pain as the indices of a weak mind.
- Their use of these words as epithets is an index of an appallingly low level of feminist awareness.
- 7
human-scienceslinguisticssciencesA 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.
- 8
economicssciencesA single number calculated from an array of prices or of quantities.
另外 6 個記錄的用法
- 9
sciencesA number representing a property or ratio; a coefficient.
- In other words, we predict that the index for a new pair of materials can be obtained from the indexes of the individual materials, both against air or against vacuum.
- 10
mathematicssciencesA raised suffix indicating a power.
- 11
computingdatabasesengineeringAn integer or other key indicating the location of data, e.g. within an array, vector, database table, associative array, or hash table.
- 12
computingdatabasesengineeringA data structure that improves the performance of operations on a table.
- 13
algebramathematicssciencesThe number of cosets that exist.
- The index of 2ℤ in ℤ is 2.
- 14
obsoleteA prologue indicating what follows.
- Ay me, what act, that roars so loud and thunders in the index?
indexverb/ˈɪndɛks/
- 1
To arrange an index for something, especially a long text.
- MySQL does not index short words and common words.
- 2
To inventory; to take stock.
- 3
economicssciencesTo normalise in order to account for inflation; to correct for inflation by linking to a price index in order to maintain real levels.
- 4
To measure by an associated value.
- For thousands of years, human progress was indexed to the ease and speed of our mobility: our capacity to walk on two legs, and then to ride on animals, sail on boats, chug across the land and fly through the air, all to procure for ourselves the food and materials we wanted.
- 5
human-scienceslinguisticssciencesTo be indexical for (some situation or state of affairs); to indicate.
- For example, the feature I indexes the current speaker in the speech event and you, the current addressee.
- 6
computingengineeringmathematicsTo access a value in a data container by an index.
- 7
engineeringmechanicalmechanical-engineeringTo use a mechanism to move an object to a precise location.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。