clepsydra


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Related to clepsydra: water clock
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Synonyms for clepsydra

clock that measures time by the escape of water

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References in periodicals archive ?
Al-Wabkanawi uses the term pangon in the otherwise similar paragraph in his own Zij, which is originally a simple Iranian clepsydra (Arabicized as bankam) in the shape of a floating bowl (as), having a hole in its apex and two graduated scales (usually drawn with the aid of an astrolabe) for both equal and unequal hours on its peripheral surface.
Image of clepsydra from The Power of Water by Helen Chapman, Reed International Books Australia Pty Ltd (1966), as shown in 2005 BST, reproduced with permission from Pearson Australia Group.
The most precise time-keeping device of the ancient world was the water clock, or clepsydra, one of which was found in the tomb of the Egyptian pharaoh Amenhotep I (1525-1504 BC).
thus brought a lot of youthful ingenuity to the table, and no more so than with student works from RISD's Department of Furniture Design, such as Phillip Mann's Clepsydra dispenser (a parody of an ancient Roman water clock, emphasizing the theft of time), Sonia Baltodano's Time Compression (three rows of three coffee cups that morph into an ellipse and then a collapsed line), and Henrik Soderstrom's expandable Family Tree Chandelier (comprised of branching, tear-shaped photographic pendants).
10,12,15) Herophilus, like Praxagoras, was interested in the diagnostic value of the pulse and constructed a special clepsydra to measure this.
The judges' words were real doozies, too," quipped team captain Louise Thomas, of the six final words that decided the championship - campodeiform, clepsydra, coadjutor, dipnosophist, drepaniform and the dreaded drosophilist.
Ralfs Rare * Thallassiosira leptopus (Grunow) Hasle & Fryxell E, O Rare Trachyneis aspera Ehrenberg E, T, O Rare Trachyneis clepsydra (Donk.
Zhang's manuscript on the water-driven clock drive, Apparatus for Rotating an Armillary Sphere by Clepsydra Water, is now known only from quotations by later scholars, but they confirm that his armillary was designed to track the Seven Luminaries (Sun, Moon, and the five planets visible to the unaided eye), seasonally significant events, and the times of dawn and dusk, and to verify their proper coordination with the calendar.
On prayer-meeting night, outside the vestibule among multiple bell-pulls of Virginia creeper, the terrible clepsydra of becoming distils its drop: a luna moth, the emblem of the born-again, furred like an orchid behind the ferned antennae, a totem-garden of lascivious pheromones, hangs, its glimmering streamers pierced by the dripstone burin of the eons with the predatory stare out of the burrow, those same eyeholes.
Elsewhere in the park, at Lower Geyser Basin, where we stopped to see the Fountain Paint Pots, we were treated to an abrupt and sustained eruption of Clepsydra Geyser - so vigorous that the steam cloud engulfed part of the boardwalk, scattering a handful of visitors.
Another early timekeeper used by the Egyptians and Greeks was the clepsydra (KLEP se drah) or water clock.
The Hall of Union displays one of the most marvelous scientific inventions of ancient China--a clepsydra (water clock).
Her Clepsydra, 2000, a bottle suspended mouth down from a stainless-steel brace, drips an indigo solution onto the fl oor, as if to inaugurate a ceremony fusing western antisepsis and African ritual.
The last three essays deal with timepieces, the compartmented cylindrical clepsydra or water clock, devices of considerable mechanical sophistication; the seventeenth-century table clepsydra; and some seventeenth-century efforts towards the construction of magnetic timepieces, many doomed because they relied on perpetual motion, even if they were inspired by a hint from William Gilbert.