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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.
Synonym list in cuneiform on a clay tablet, Neo-Assyrian period [1] A synonym is a word, morpheme, or phrase that means precisely or nearly the same as another word, morpheme, or phrase in a given language. [2] For example, in the English language, the words begin, start, commence, and initiate are all synonyms of one another: they are ...
Particularly interesting from the perspective of historical linguistics is the process by which ad hoc phrases become set in the language, and eventually become new words (see lexicon). Lexicalization contrasts with grammaticalization, and the relationship between the two processes is subject to some debate.
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 well-known example of grammaticalization is that of the process in which the lexical cluster let us, for example in "let us eat", is reduced to let's as in "let's you and me fight". Here, the phrase has lost its lexical meaning of "allow us" and has become an auxiliary introducing a suggestion, the pronoun 'us' reduced first to a suffix and ...
In psycholinguistics, semantic processing is the stage of language processing that occurs after one hears a word and encodes its meaning: the mind relates the word to other words with similar meanings. Once a word is perceived, it is placed in a context mentally that allows for a deeper processing.
The term "word" has no well-defined meaning. [7] Instead, two related terms are used in morphology: lexeme and word-form [definition needed]. Generally, a lexeme is a set of inflected word-forms that is often represented with the citation form in small capitals. [8] For instance, the lexeme eat contains the word-forms eat, eats, eaten, and ate.
Biological processes are regulated by many means; examples include the control of gene expression, protein modification or interaction with a protein or substrate molecule. Homeostasis: regulation of the internal environment to maintain a constant state; for example, sweating to reduce temperature