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The hyphen ‐ is a punctuation mark used to join words and to separate syllables of a single word. The use of hyphens is called hyphenation. [1]The hyphen is sometimes confused with dashes (en dash –, em dash — and others), which are wider, or with the minus sign −, which is also wider and usually drawn a little higher to match the crossbar in the plus sign +.
The second is a link to the article that details that symbol, using its Unicode standard name or common alias. (Holding the mouse pointer on the hyperlink will pop up a summary of the symbol's function.); The third gives symbols listed elsewhere in the table that are similar to it in meaning or appearance, or that may be confused with it;
If you’ve ever found yourself confused about the difference between a dash and a hyphen, and when to use a hyphen, you’re far from alone. Now that you’ve got that rule straightened out ...
A hyphenation algorithm is a set of rules, especially one codified for implementation in a computer program, that decides at which points a word can be broken over two lines with a hyphen. For example, a hyphenation algorithm might decide that impeachment can be broken as impeach-ment or im-peachment but not impe-achment .
Wikipedia uses four: the hyphen (sometimes called the hyphen-minus), the minus sign, the en dash, and the em dash. Hyphen (- or -, MOS:HYPHEN; known as the hyphen-minus in ASCII and Unicode) are used in many ways on Wikipedia. They are the only short, horizontal dash-like character available as a separate key on most keyboards.
A hyphen is not a dash. Hyphens are used within words or to join words, but not in punctuating the parts of a sentence. Use an en dash (–) with before, and a space after – or use an em dash (—) without spaces (see Wikipedia:How to make dashes). Avoid using two hyphens (--) to make a dash, and avoid using a hyphen as a minus sign.
The hyphen-minus is used as a minus sign in computer programming languages, and in math mode, but in text, the proper typographical symbol for negation or subtraction is the minus sign, available in the "Special characters" dropdown of the edit pane among the "Symbols" in the list ≥ ± − × ÷ ← → · § ‽ where the third character is ...
Hyphens are used in this way to prevent confusion; without their use, a reader might interpret the words separately, rather than as a phrase. Hyphens join the relevant words into a single idea, a compound adjective. A compound modifier that is spaced rather than hyphenated is referred to as an open compound. [2]