comma

The punctuation mark ⟨,⟩ used to indicate a set of parts of a sentence or between elements of a list.

Noun

  1. The punctuation mark ⟨,⟩ used to indicate a set of parts of a sentence or between elements of a list.
    • No points were used by the ancient printers, excepting the colon and the period; but, after some time, a short oblique stroke, called a virgil, was introduced, which answered to the modern comma. In the fifteenth...

    Synonyms: scratch comma virgule virgula come comma-point

  2. A similar-looking subscript diacritical mark.
  3. Any of various nymphalid butterflies of the genus Polygonia, having a comma-shaped white mark on the underwings, especially Polygonia c-album and Polygonia c-aureum of North Africa, Europe, and Asia.
    • Commas (Polygonia comma) and Question Marks (Polygonia interrogationis) occur from the Gulf Coast to Canada and west to the Rockies. [...] Question Marks and Commas are handsome butterflies with burnt orange and black...
    • Other members of this genus that are frequently encountered in the park are the eastern comma (P. comma) and question mark (P. interrogationis). - 2013, Ann Simpson, Rob Simpson, “Butterflies and Moths”, in Nature Guide...
  4. A difference in the calculation of nearly identical intervals by different ways.
  5. A delimiting marker between items in a genetic sequence.
  6. In Ancient Greek rhetoric, a short clause, something less than a colon, originally denoted by comma marks. In antiquity it was defined as a combination of words having no more than eight syllables in all. It was later applied to longer phrases, e.g. the Johannine comma.
  7. A brief interval.

Origin

From Latin comma, from Ancient Greek κόμμα (kómma), from κόπτω (kóptō, “to cut”).

Forms

commas commata commaes come

Derived

comma bacillus comma butterfly comma category commaless comma lichen commalike comma-point comma queen comma splice commify decimal comma Didymean comma dun comma fat comma Harvard comma high comma ideographic comma myocomma Ptolemaic comma scratch-comma Shatner comma

Verb

  1. To place a comma or commas within text; to follow, precede, or surround a portion of text with commas.

Forms

commas commaing commaed comma'd come

Related

apostrophe curly brackets brace square bracket bracket colon dash ellipsis exclamation mark fraction slash guillemet hyphen interpunct interrobang parentheses (US Canada) full stop period question mark quotation marks semicolon slash stroke space