Water clock - Wikipedia
A water clock, or clepsydra (from Ancient Greek κλεψύδρα (klepsúdra) ' pipette, water clock '; from κλέπτω (kléptō) ' to steal ' and ὕδωρ (hydor) ' water '; lit. ' water thief ' ), is a timepiece by which time is measured by the regulated flow of liquid into (inflow type) or out from (outflow type) a vessel, and where the ...
As Old As Time: Ancient Invention of the Water Clock
Apr 29, 2024 · The water clock was the most accurate and commonly used timekeeping device for calculating the amount or the time that a farmer must take water from a qanat or well for irrigation, until it was replaced by more accurate current clocks.
How Do Water Clocks Work? - Wonderopolis
Water clocks, also called clepsydras, sound more like drip-drip-drip-drip. That’s because they relied on flowing water to measure the hours of the day. How did water clocks work? Cultures designed them in a few ways. The oldest record of the devices is …
Ancient Greece: The Water Clock (Clepsydra) Of Ktesibios
The water clock was a bowl-like canister and made of stone. The device had a hole in the bottom to control the flow of pressurized water non-stop. These holes pointed to other similar canisters that the water overflow ran into.
Water clock - Simple English Wikipedia, the free encyclopedia
A water clock was a tool for measuring time by the flow of liquid into or out of a vessel. Water clocks are one of the oldest time-measuring tools. [1] The bowl-shaped outflow is the simplest form of a water clock and is known to have existed in Babylon, Egypt, and Persia around the 16th century BC. Other regions of the world, including India ...
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.
What is a Water Clock? (with picture) - Historical Index
May 23, 2024 · A water clock is a timekeeping device that uses a flow of water to measure time. It is not as accurate as most modern time-keeping devices, but when these clocks were first developed, they were quite adequate for the times.
Water clocks - Keeping track of time in Antiquity
Apr 3, 2015 · Water clocks became a common method of telling time in the ancient world. The so-called “Tower of Winds” in Athens, built in the early first century BC, is a marvel of engineering, containing both sun dials (about which more in a future post) and a water clock inside.
How to Make a Water Clock (Clepsydra): 2 Easy Methods - wikiHow
Feb 24, 2025 · Water clocks measure time based on how much water flows from one container to the next. You can build your own version at home, but the complexity of the design will vary depending on how much time you want to track. Here are a couple of different ways to do it. Cut the bottle in half.
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WATER CLOCK Definition & Meaning - Merriam-Webster
Jan 10, 2025 · The meaning of WATER CLOCK is an instrument designed to measure time by the fall or flow of a quantity of water —called also clepsydra.