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3 definitions found
 for tilde
From The Collaborative International Dictionary of English v.0.48 :

  Tilde \Til"de\, n. [Sp., fr. L. titulus a superscription, title,
     token, sign. See Title, n.]
     The accentual mark placed over n, and sometimes over l, in
     Spanish words [thus, [~n], [~l]], indicating that, in
     pronunciation, the sound of the following vowel is to be
     preceded by that of the initial, or consonantal, y.
     [1913 Webster]

From WordNet (r) 3.0 (2006) :

      n 1: 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

From The Free On-line Dictionary of Computing (30 December 2018) :

      "~" ASCII character 126.
     Common names are: ITU-T: tilde; squiggle; twiddle; not.
     Rare: approx; wiggle; swung dash; enyay; INTERCAL: sqiggle
     Used as C's prefix bitwise negation operator; and in
     Unix csh, GNU Emacs, and elsewhere, to stand for the
     current user's home directory, or, when prefixed to a login
     name, for the given user's home directory.
     The "swung dash" or "approximation" sign is not quite the same
     as tilde in typeset material but the ASCII tilde serves for
     both (compare angle brackets).
     [Has anyone else heard this called "tidal" (as in wave)?]

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