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{{#invoke:Hatnote|hatnote}} {{#invoke:Side box|main}} {{#invoke:Infobox|infobox}} The tilde ({{#invoke:IPAc-en|main}};<ref name=ah>tilde in the American Heritage dictionary</ref> ˜ or ~)<ref> Several more or less common informal names are used for the tilde that usually describe the shape, including squiggly, squiggle(s), and flourish.</ref> is a grapheme with several uses. The name of the character came into English from Spanish, which in turn came from the Latin titulus, meaning "title" or "superscription".<ref name=ah/>

The reason for the name was that it was originally written over a letter as a scribal abbreviation, as a "mark of suspension", shown as a straight line when used with capitals. Thus the commonly used words Anno Domini were frequently abbreviated to Ao Dñi, an elevated terminal with a suspension mark placed above the "n". Such a mark could denote the omission of one letter or several letters. This saved on the expense of the scribe's labour and the cost of vellum and ink. Medieval European charters written in Latin are largely made up of such abbreviated words with suspension marks; only uncommon words were given in full. The tilde has since been applied to a number of other uses as a diacritic mark or a character in its own right. These are encoded in Unicode at Expression error: Unrecognized punctuation character "{". and Expression error: Unrecognized punctuation character "{"., and there are additional similar characters for different roles. In lexicography, the latter kind of tilde and the swung dash () are used in dictionaries to indicate the omission of the entry word.<ref>{{#invoke:citation/CS1|citation |CitationClass=citation }}</ref>

Tilde sections
Intro  Common use  Use by medieval scribes  Diacritical use  Similar characters   ASCII tilde (U+007E)   Punctuation  Mathematics  Physics  Economics  Electronics  Computing  Juggling notation  Keyboards   See also    References    External links   

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