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prefix - definition and synonyms

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noun [countable]     prefix pronunciation in American English
Word Forms
Related words
  1. 1
    linguistics a group of letters that is added to the beginning of a word to change its meaning. For example, the prefix “un-” is added to the wordimportant” to form “unimportant.”
    See also affix, suffix
  2. 2
    the first set of numbers in a telephone number
  3. 3
    a title such as “Dr.” or “Mrs.” that is used before someone’s name
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