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Definition: double click


(1) To press the mouse button twice in rapid succession. Double clicking is commonly used to highlight the current word at the cursor as well as open a file or folder. In the early days of Windows, a double click was always used to open a file or folder. Later on, the convenience of the single click Web link caused many functions to be changed from double to single clicking. See click and double tap.

(2) (DoubleClick Inc., New York, www.doubleclick.com) A Web ad serving company that began in 1996. DoubleClick is perhaps the most widely known organization that delivers Web advertising. Its growth expanded well beyond ads into rich media, search, video and all kinds of digital affiliate marketing. Google acquired the privately held company for USD $3.1 billion in 2007. See adserver.