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Definition

dictionary noun

/ˈdɪk.ʃən.ər.i/US pronunciation symbol/-er.i/ n [C]
a book that contains a list of words in alphabetical order with their meanings explained or written in another language, or a similar product for use on a computer
a French-English/English-French dictionary
a bilingual/monolingual dictionary
To check how a word is spelt, look it up in a dictionary.
a book which gives information about a particular subject, in which the entries (= words or phrases) are given in alphabetical order
a biographical/science dictionary
a dictionary of quotations

(Definition of dictionary noun from the Cambridge Advanced Learner's Dictionary)
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