Definition of tilde noun from the Oxford Advanced Learner's Dictionary

     

    tilde

     noun
    noun
    BrE BrE//ˈtɪldə//
     
    ; NAmE NAmE//ˈtɪldə//
     
    Punctuation
     
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  1. 1the mark ( ˜ ) placed over letters in some languages and some vowels in the International Phonetic Alphabet to show how they should be pronounced, as in España, São Paulo and penchant /pɒ̃ʃɒ̃/ See related entries: Punctuation
  2. 2(also swung dash) the mark ( ˜ ), used in this dictionary in some parts of an entry to represent the word in blue type at the top of the entry See related entries: Punctuation
  3. Word Origin mid 19th cent.: from Spanish, based on Latin titulus ‘inscription, title’.
See the Oxford Advanced American Dictionary entry: tilde