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noun, plural the·sau·rus·es, the·sau·ri 
[-sawr-ahy] .
[-sawr-ahy] . 1.
2.
any dictionary, encyclopedia, or other comprehensive reference book.
3.
a storehouse, repository, or treasury.
4.
Computers.
a.
an index to information stored in a computer, consisting of a comprehensive list of subjects concerning which information may be retrieved by using the proper key terms.
b.
a dictionary of synonyms and antonyms stored in memory for use in word processing.
Origin:
1730–40; < Latin thēsaurus < Greek thēsaurós treasure, treasury
1730–40; < Latin thēsaurus < Greek thēsaurós treasure, treasury
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Thesaurus
is always a great word to know.
So is portal. Does it mean:
| a system whereby memory is extended beyond main storage through the use of secondary storage managed by system software |
| a Web site that functions as an entry point to the Internet, as by providing useful content and linking to various sites and features |
Dictionary.com Unabridged
online thesaurus
noun, plural online thesauruses, online thesauri.
a thesaurus or dictionary of words with the same or nearly the same meanings, or synonyms, and their opposites, or antonyms, such as Thesaurus.com, available on the Internet or the World Wide Web, accessed through a web browser, and used by entering a query term into a search box on the site. An online thesaurus provides immediate electronic access to lists of alternate terms for the queried word, covering its various shades of meaning: This online thesaurus showed me that smart, as an adjective, not only means intelligent, but also stylish, or lively, and gave long lists of other words for each meaning.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To Thesaurus
Collins
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
thesaurus
1823, "treasury, storehouse," from L. thesaurus "treasury, treasure," from Gk. thesauros "a treasure, treasury, storehouse, chest," from root of tithenai "to put, to place." The meaning "encyclopedia filled with information" is from 1840, but existed earlier as thesaurarie (1592), used as a title by
EXPAND early dictionary compilers. Meaning "collection of words arranged according to sense" is first attested 1852 in Roget's title. Thesaur is attested in M.E. with the meaning "treasure" (15c.-16c.).
COLLAPSE
Online Etymology Dictionary, © 2010 Douglas Harper
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