|—n , pl -dexes, -dices|
|1.||an alphabetical list of persons, places, subjects, etc, mentioned in the text of a printed work, usually at the back, and indicating where in the work they are referred to|
|2.||See thumb index|
|3.||library science a systematic list of book titles or author's names, giving cross-references and the location of each book; catalogue|
|4.||an indication, sign, or token|
|5.||a pointer, needle, or other indicator, as on an instrument|
|a. another name for exponent|
|b. 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|
|c. a subscript or superscript to the right of a variable to express a set of variables, as in using xi for x1, x2, x3, etc|
|7.||a numerical scale by means of which variables, such as levels of the cost of living, can be compared with each other or with some base number|
|8.||a number or ratio indicating a specific characteristic, property, etc: refractive index|
|9.||Also called: fist a printer's mark (☛) used to indicate notes, paragraphs, etc|
|10.||obsolete a table of contents or preface|
|11.||to put an index in (a book)|
|12.||to enter (a word, item, etc) in an index|
|13.||to point out; indicate|
|15.||to move (a machine or a workpiece held in a machine tool) so that one particular operation will be repeated at certain defined intervals|
|[C16: from Latin: pointer, hence forefinger, title, index, from indicāre to disclose, show; see |
index in·dex (ĭn'děks')
n. pl. in·dex·es or in·di·ces (-dĭ-sēz')
A guide, standard, indicator, symbol, or number indicating the relation of one part or thing to another in respect to size, capacity, or function.
A core or mold used to record or maintain the relative position of a tooth or teeth to one another or to a cast.
A guide, usually made of plaster, used to reposition teeth, casts, or parts.
The index finger.
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.