Clepsydra
Encyclopedia
Clepsydra may refer to:
  • Clepsydra (literally "water thief"), the Greek word for water clock
    Water clock
    A water clock or clepsydra is any timepiece in which time is measured by the regulated flow of liquid into or out from a vessel where the amount is then measured.Water clocks, along with sundials, are likely to be the oldest time-measuring instruments, with the only exceptions...

    . Also, in ancient Greece, a device for drawing liquids from vats too large to pour, which utilized the principles of air pressure to transport the liquid from one container to another.
  • Clepsydra Geyser
    Clepsydra Geyser
    Clepsydra Geyser is a geyser in the Lower Geyser Basin of Yellowstone National Park in the United States.Clepsydra plays nearly continuously to heights of . Named by T. B. Comstock during the 1878 Captain Jones expedition. The name Clepsydra is derived from the Greek word for water clock. Prior to...

     in the Lower Geyser Basin of Yellowstone
  • Clepsydra
    Clepsydra (genus)
    Clepsydra is a recently described genus of diatoms, including the species Clepsydra truganiniae. It was found in Tasmania.-External links:*...

    , a genus of protists


From John Steinbeck's Tortilla Flat: "Time is more complex near the sea than in any other place, for in addition to the circling of the sun and the turning of the seasons, the waves beat out the passage of time on the rocks and the tides rise and fall as a great clepsydra."
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