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tilde

 - 3 dictionary results

til⋅de

  [til-duh]
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–noun
1. a diacritic (~) placed over an n, as in Spanish mañana, to indicate a palatal nasal sound or over a vowel, as in Portuquese são, to indicate nasalization.
2. swung dash.
3. Mathematics. a symbol (∼) indicating equivalency or similarity between two values.
4. Logic. a similar symbol indicating negation.
Origin:
1860–65; < Sp < L titulus superscription. See title
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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til·de   (tĭl'də)   
n.  A diacritical mark ( ~ ) placed over the letter n in Spanish to indicate the palatal nasal sound (ny), as in cañon, or over a vowel in Portuguese to indicate nasalization, as in lã, pão.

[Spanish, alteration of obsolete Catalan title, from Latin titulus, superscription.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Computing Dictionary

tilde character
"~" ASCII character 126.
Common names are: ITU-T: tilde; squiggle; twiddle; not. Rare: approx; wiggle; swung dash; enyay; INTERCAL: sqiggle (sic).
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)?]
(1996-10-18)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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