clepsydra
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Related to clepsydras: water clock
clep·sy·dra
(klĕp′sĭ-drə)n. pl. clep·sy·dras or clep·sy·drae (-drē′)
An ancient device that measured time by marking the regulated flow of water through a small opening. Also called water glass.
[Latin, from Greek klepsudrā : kleptein, kleps-, to steal + hudōr, water; see wed- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
clepsydra
(ˈklɛpsɪdrə)n, pl -dras or -drae (-ˌdriː)
(Horology) an ancient device for measuring time by the flow of water or mercury through a small aperture. Also called: water clock
[C17: from Latin, from Greek klepsudra, from kleptein to steal + hudōr water]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
clep•sy•dra
(ˈklɛp sɪ drə)n., pl. -dras, -drae (-ˌdri)
[1640–50; < Latin < Greek klepsýdra <kléptein to steal + hýdōr water]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
clepsydra
an instrument for measuring time by the controlled flow of water or mercury through a small opening.
See also: Instruments, Time -Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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Noun 1. [画像:clepsydra - clock that measures time by the escape of water]clepsydra - clock that measures time by the escape of water
clock - a timepiece that shows the time of day
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