clepsydra

clep·sy·dra

[klep-si-druh]
noun, plural clep·sy·dras, clep·sy·drae [klep-si-dree] .
an ancient device for measuring time by the regulated flow of water or mercury through a small aperture.

Origin:
1640–50; < Latin < Greek klepsýdra, equivalent to kleps- (klep-, stem of kléptein to steal, conceal + -s- formative in derivation) + hydra, derivative of hýdōr water

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clepsydra (ˈklɛpsɪdrə) [Click for IPA pronunciation guide]
 
n , pl -dras, -drae
Also called: water clock an ancient device for measuring time by the flow of water or mercury through a small aperture
 
[C17: from Latin, from Greek klepsudra, from kleptein to steal + hudōr water]

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00:10
Clepsydra is always a great word to know.
So is bezoar. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
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