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A thesaurus (pl.: thesauri or thesauruses), sometimes called a synonym dictionary or dictionary of synonyms, is a reference work which arranges words by their meanings (or in simpler terms, a book where one can find different words with similar meanings to other words), [1] [2] sometimes as a hierarchy of broader and narrower terms, sometimes simply as lists of synonyms and antonyms.
Semantic change (also semantic shift, semantic progression, semantic development, or semantic drift) is a form of language change regarding the evolution of word usage—usually to the point that the modern meaning is radically different from the original usage.
The Historical Thesaurus of English (HTE) is a complete database of all the words in the Oxford English Dictionary and other dictionaries (including Old English), arranged by semantic field and date. In this way, the HTE arranges the whole vocabulary of English , from the earliest written records in Old English to the present, alongside dates ...
The synonyms are grouped into synsets with short definitions and usage examples. It can thus be seen as a combination and extension of a dictionary and thesaurus. While it is accessible to human users via a web browser, [2] its primary use is in automatic text analysis and artificial intelligence applications.
A thesaurus or synonym dictionary lists similar or related words; these are often, but not always, synonyms. [15] The word poecilonym is a rare synonym of the word synonym. It is not entered in most major dictionaries and is a curiosity or piece of trivia for being an autological word because of its meta quality as a synonym of synonym ...
Wordnik, a nonprofit organization, is an online English dictionary and language resource that provides dictionary and thesaurus content. [1] Some of the content is based on print dictionaries such as the Century Dictionary, the American Heritage Dictionary, WordNet, and GCIDE.
Etymology (/ ˌ ɛ t ɪ ˈ m ɒ l ə dʒ i /, ET-im-OL-ə-jee [1]) is the study of the origin and evolution of words, including their constituent units of sound and meaning, across time. [2] In the 21st century a subfield within linguistics, etymology has become a more rigorously scientific study. [1]
The dictionary is not based on the Oxford English Dictionary (OED) – it is a separate dictionary which strives to represent faithfully the current usage of English words. The Revised Second Edition contains 355,000 words, phrases, and definitions, including biographical references and thousands of encyclopaedic entries.