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Clock that measures time by the escape of water
Answer for the clue "Clock that measures time by the escape of water ", 9 letters:
clepsydra
Word definitions for clepsydra in dictionaries
WordNet
Word definitions in WordNet
n. clock that measures time by the escape of water [syn: water clock , water glass ] [also: clepsydrae (pl)]
Wikipedia
Word definitions in Wikipedia
Clepsydra is a recently described genus of diatoms , including the species Clepsydra truganiniae . It was found in Tasmania .
Wiktionary
Word definitions in Wiktionary
n. A water clock, especially as used in the ancient world.
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Clepsydra \Clep"sy*dra\ (?; 277), n. [L. from Gr. ?; ? to steal, conceal + ? water.] A water clock; a contrivance for measuring time by the graduated flow of a liquid, as of water, through a small aperture. See Illust. in Appendix . [1913 Webster] ||
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
"ancient Greek water clock," 1640s, from Latinized form of Greek klepsydra , from stem of kleptein "to steal, to hide" (see kleptomania ) + hydor "water" (see water (n.1)).
Usage examples of clepsydra.
Obidhen promised three hours by the clepsydra in the courtyard, having his beasts within the pens to the north of the city, and his gear and his tents, he said, well-ordered and waiting in the warehouses by the northern gate.
The long days, and after them the nights, seemed measured out not by the clepsydra but by the brown drops which Hermogenes counted one by one into a cup of glass.
There were some brilliant examples -Eratosthenes's measurement of the Earth's diameter, say, or Empedocles's clepsydra experiment demonstrating the material nature of air.
Typical among them are marked, or calibrated, candles, sun dials, sand glasses, clepsydras and oil clocks.