DICT.TW Dictionary Taiwan

 til·de /ˈtɪldə/
 符號

 Til·de n.  The accentual mark placed over n, and sometimes over l, in Spanish words [thus, ñ, ], indicating that, in pronunciation, the sound of the following vowel is to be preceded by that of the initial, or consonantal, y.
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 tilde
      n : a diacritical mark (~) placed over the letter n in Spanish
          to indicate a palatal nasal sound or over a vowel in
          Portuguese to indicate nasalization