| 释义 | cir·cum·flex I. \ˈsərkəmˌfleks, ˈsə̄k-, ˈsəik-\ transitive verb
 (-ed/-ing/-es)
 Etymology: Latin circumflexus, past participle of circumflectere to bend around, mark with a circumflex, from circum- + flectere to bend
 : to mark with a circumflex
 II. adjective
 Etymology: Latin circumflexus; in ref. to accent, approximate translation of Greek perispōmenos, present middle participle of perispan to draw off, divert, from peri- + span to draw — more at span
 1.
 a.  : characterized by the pitch, quantity, or quality indicated by a circumflex (sense 1); especially  : first rising and then falling in pitch
 < a circumflex intonation >
 < the long o of Greek dōron “gift” is spoken with a circumflex accent >
 b.  : being a circumflex (sense 1)
 < the a of French bâtir “to build” is written with a circumflex accent >
 c.  : marked with a circumflex (sense 1)
 < circumflex e >
 2. of nerves and blood vessels  : bending around
 III. noun
 (-es)
 1. or circumflex accent  : a mark ˆ, ῀, or ˜ originally used in Greek over long vowels to indicate a rising-falling tone and thence in other languages to mark length, contraction, or a falling-rising tone and in still others and in phonetic notation to indicate a particular vowel quality — see accent 5; compare tilde
 2.  : a rising-falling or falling-rising intonation of a vocalic or syllable
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