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单词 comma
释义

WordReference Random House Learner's Dictionary of American English © 2024
com•ma /ˈkɑmə/USA pronunciation   n. [countable], pl. -mas. 
  1. the sign (,), a mark of punctuation used to indicate a division in a sentence, as in setting off a word, phrase, or clause (First, we take the milk, and then we beat the butter.), to separate items in a list (eggs, milk, and butter), to mark off thousands in numerals (5,000), and, in some parts of Europe, as a decimal point (My German students wrote "A kilogram weighs 2,2 pounds.'')

WordReference Random House Unabridged Dictionary of American English © 2024
com•ma  (komə),USA pronunciation 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 fragment or smaller section of a colon.
    • the part of dactylic hexameter beginning or ending with the caesura.
    • the caesura itself.
  3. Musicthe minute, virtually unheard difference in pitch between two enharmonic tones, as G♯ and A♭.
  4. any of several nymphalid butterflies, as Polygonia comma, having a comma-shaped silver mark on the underside of each hind wing.
  • Greek kómma piece cut off (referring to the phrase so marked), equivalent. to kop- (base of kóptein to strike, chop) + -ma noun, nominal suffix denoting result of action (with assimilation of p)
  • Late Latin: mark of punctuation, Latin: division of a phrase
  • 1520–30

Collins Concise English Dictionary © HarperCollins Publishers::
comma /ˈkɒmə/ n
  1. the punctuation mark(,) indicating a slight pause in the spoken sentence and used where there is a listing of items or to separate a nonrestrictive clause or phrase from a main clause
  2. a minute interval
Etymology: 16th Century: from Latin, from Greek komma clause, from koptein to cut
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更新时间:2025/7/23 13:13:07