A clock is an instrument for measuring, inicating and maintaining the time. The word clock is derived ultimately (via Dutch, Northern French, and Medieval Latin) from the Celtic words clagan and clocca meaning "bell". For horologists and other specialists the term clock continues to mean exclusively a device with a striking mechanism for announcing intervals of time acoustically, by ringing a bell, a set of chimes, or a gong. A silent instrument lacking such a mechanism has traditionally been known as a timepiece. In general usage today, however, a "clock" refers to any device for measuring and displaying the time which, unlike a watch, is not worn on the person.

Trivia about clock

  • It's a dickory dock, whether or not a mouse runs up it
  • A Louis XVI one of these that showed phases of the moon as well as the seconds & minutes sold in 1999 for $3 million
  • In 1656 Dutch scientist Christiaan Huygens made the first pendulum type of this device
  • Even a broken one of these on your wall is right twice a day

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