| 单词 | index |
| 释义 | index n. & v. --n (pl. indexes or esp. in technical use indices) 1. an alphabetical list of names, subjects, etc., with references, usu. at the end of a book. 2. = card index. 3. (in full index number) a number showing the variation of prices or wages as compared with a chosen base period (retail price index; Dow-Jones index). 4. Math. a the exponent of a number. b the power to which it is raised. 5. a a pointer, esp. on an instrument, showing a quantity, a position on a scale, etc. b an indicator of a trend, direction, tendency, etc. c (usu. foll. by of) a sign, token, or indication of something. 6. Physics a number expressing a physical property etc. in terms of a standard (refractive index). 7. Computing a set of items each of which specifies one of the records of a file and contains information about its address. 8. (Index) RC Ch. hist. a list of books forbidden to Roman Catholics to read. 9. Printing a symbol shaped like a pointing hand, used to draw attention to a note etc. --vtr. 1. provide (a book etc.) with an index. 2. enter in an index. 3. relate (wages etc.) to the value of a price index. Phrases and idioms index finger the forefinger. index-linked related to the value of a retail price index. Derivatives indexation n. indexer n. indexible adj. indexical adj. indexless adj. Etymology: ME f. L index indicis forefinger, informer, sign: sense 8 f. L Index librorum prohibitorum list of prohibited books |
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