Circumflex
diacritic in Latin, Greek and Cyrillic scripts
The circumflex (◌̂) is a diacritic in the Latin and Greek scripts that is also used in the written forms of many languages and in various romanization and transcription schemes. It received its English name from Latin: circumflexus "bent around"—a translation of the Ancient Greek: περισπωμένη (perispōménē).
The circumflex in the Latin script is chevron-shaped (◌̂), while the Greek circumflex may be displayed either like a tilde (◌̃) or like an inverted breve (◌̑). For the most commonly encountered uses of the accent in the Latin alphabet, precomposed characters are available.
In English, the circumflex, like other diacritics, is sometimes retained on loanwords that used it in the original language (for example entrepôt, crème brûlée).
In mathematics and statistics, the circumflex diacritic is sometimes used to denote a function and is called a hat operator.
A free-standing version of the circumflex symbol, ^, is encoded in ASCII and Unicode and has become known as caret and has acquired special uses, particularly in computing and mathematics. The original caret, ‸, is used in proofreading to indicate insertion.
Uses
Diacritic on vowels
Pitch
The circumflex has its origins in the polytonic orthography of Ancient Greek, where it marked long vowels that were pronounced with high and then falling pitch. In a similar vein, the circumflex is today used to mark tone contour in the International Phonetic Alphabet.
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This entry incorporates text from “Circumflex” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.