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Apr 12, 2022 · A tilde is a typographical symbol that resembles a wavy line (~). In English, it has no accepted usage in formal writing, but it may occasionally be used for a few different reasons in informal writing. This symbol is also used in math, computer programming, and to form certain letters in Spanish and Portuguese.
- Danuta Mazurek
The tilde ( / ˈtɪld, - di, - də, - deɪ /) [1] ˜ or ~, is a grapheme with a number of uses. The name of the character came into English from Spanish, which in turn came from the Latin titulus, meaning 'title' or 'superscription'.
The tilde is a curvy dash-looking line that is used to indicate a nasalized sound when used as a mark over letters to provide an accent. Most recognizable in the Spanish language alphabet and commonly used in Spanish and Portuguese, it is often used in informal English writing situations, mathematics, and computer programming.
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The tilde (~) is used in mathematics to indicate a “nearby” or “similar” value. In other words, it is used to approximate a value. For example, if you have a value of 3.14159 and you want to find the value that is closest to 3.14, you would use the tilde symbol and enter 3.14~.
The tilde ( ˜ ) is the mark that is most often seen sitting over the letter 'n' (as in Spanish señor, meaning "sir," and mañana, "tomorrow"), where it indicates a blend of the sounds of 'n' and 'y.'
1. : a mark ˜ placed especially over the letter n (as in Spanish señor sir) to denote the sound \nʸ\ or over vowels (as in Portuguese irmã sister) to indicate nasality. 2. a. : the mark used to indicate negation in logic and the geometric relation "is similar to" in mathematics. b. : the mark used to indicate an approximate value.
The tilde (~) is a fundamental unit in written language that has several uses. One of these is being a diacritic (or diacritical mark) placed over a letter to indicate a change in pronunciation, such as nasalization. The tilded 'n' ('ñ', 'Ñ'), in particular, developed from the digraph 'nn' in Spanish.
