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clepsydra    
n. 漏壶,水时钟

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  • Water clock - Wikipedia
    The Greeks and Romans advanced water clock design to include the inflow clepsydra with an early feedback system, gearing, and escapement mechanism, which were connected to fanciful automata and resulted in improved accuracy
  • Clepsydra | Ancient, Water, Sundial | Britannica
    Clepsydra, ancient device for measuring time by the gradual flow of water One form, used by the North American Indians and some African peoples, consisted of a small boat or floating vessel that shipped water through a hole until it sank
  • Clepsydra of Karnak - Egypt Museum
    The Clepsydra of Karnak was found broken in pieces, and was made of alabaster Its shape is reminiscent of a large flowerpot; the outside of this vessel has characteristic depictions in three horizontal rows and a vignette of king Amenhotep III
  • As Old As Time: Ancient Invention of the Water Clock
    Around 325 BC, water clocks began to be used by the Greeks, who called this device the clepsydra (‘water thief’) One of the uses of the water clock in Greece, especially in Athens, was for the timing of speeches in law courts
  • CLEPSYDRA Definition Meaning - Merriam-Webster
    The ancient Greeks called their water clocks "klepsydra" ("water thief"), which comes from "kleptein" ("to steal") and "hydōr" ("water") English speakers stole "clepsydra" from the Greeks in the 16th century, but actual water clocks have become increasingly rare
  • Ancient Greece: The Water Clock (Clepsydra) Of Ktesibios
    This is when a man named Ktesibios or Ctesibius came and changed Clepsydra He did this by adding another canister to catch the water that flows out of the top hole
  • The Ancient Water Clock (Clepsydra) (Ancient Engineering Marvels)
    The ancient water clock, or clepsydra, played a significant role in the development of scientific and technological fields It aided in astronomical observations, influenced the design of future technologies, and improved the accuracy of time measurement
  • CLEPSYDRA from Reess Clocks, Watches and Chronometers, 1819
    This clepsydra, it is said, goes faster in summer than in winter, which is owing to the drum being relatively heavier in rarefied than in dense air; we can hardly suppose that any alteration in the fluidity of the water, as formerly supposed, would make any difference
  • clepsydra - Wiktionary, the free dictionary
    clepsydra (plural clepsydras or clepsydrae) Synonym of water clock, especially (historical) ancient Greek and Roman forms quotations
  • Clepsydra - Etymology, Origin Meaning - Etymonline
    clepsydra (n ) "ancient Greek water-clock," 1640s, from Latinized form of Greek klepsydra, from stem of kleptein "to steal, to hide" (see kleptomania) + hydor "water," from suffixed form of PIE root *wed- (1) "water; wet "





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