| 单词 | comma |
| 释义 | comma /kom"euh/, n. 1. the sign (,), a mark of punctuation used for indicating a division in a sentence, as in setting off a word, phrase, or clause, esp. when such a division is accompanied by a slight pause or is to be noted in order to give order to the sequential elements of the sentence. It is also used to separate items in a list, to mark off thousands in numerals, to separate types or levels of information in bibliographic and other data, and, in Europe, as a decimal point. 2. Class. Pros. a. a fragment or smaller section of a colon. b. the part of dactylic hexameter beginning or ending with the caesura. c. the caesura itself. 3. Music. the minute, virtually unheard difference in pitch between two enharmonic tones, as G# and Ab. 4. any of several nymphalid butterflies, as Polygonia comma, having a comma-shaped silver mark on the underside of each hind wing. [1520-30; < LL: mark of punctuation, L: division of a phrase < Gk kómma piece cut off (referring to the phrase so marked), equiv. to kop- (base of kóptein to strike, chop) + -ma n. suffix denoting result of action (with assimilation of p)] |
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