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DICTIONARY definition: a book or digital resource (such as Dictionary.com) containing a selection of words and information about their meanings, pronunciations, etymologies, inflected forms, …

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THE definition: (used, especially before a noun, with a specifying or particularizing effect, as opposed to the indefinite or generalizing force of the indefinite article a oran ). See examples …

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M definition: mass. See examples of m used in a sentence.