water clock

Fluoride first entered an American water supply through a rather inelegant technocratic scheme.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
When cities started adding chlorine to their water supplies, in the early 1900s, it set off public outcry.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
Before anti-vaxxers, there were anti-fluoriders: a group who spread fear about the anti-tooth decay agent added to drinking water.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
Placed in drinking water, fluoride can serve people who otherwise have poor access to dental care.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST

In secret, before the referendum, the council went ahead and fluoridated the water anyway.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
The night wore on, and the clock downstairs was striking the hour of two when she suddenly awakened.
The Homesteader|Oscar Micheaux
Urbanity ushers in water that needs no apology, and gives a zest to the worst vintage.
Pearls of Thought|Maturin M. Ballou
The two women had no intention of bathing; they had just strolled down to the beach for a walk and to be alone and near the water.
The Awakening and Selected Short Stories|Kate Chopin
Mrs. Woodbury paints in oils and water-colors; the latter are genre scenes, and among them are several Dutch subjects.
Women in the fine arts, from the Seventh Century B.C. to the Twentieth Century A.D.|Clara Erskine Clement
The clock struck ten, and clerks poured in faster than ever, each one in a greater perspiration than his predecessor.
The Posthumous Papers of the Pickwick Club, v. 2(of 2)|Charles Dickens

British Dictionary definitions for water clock

water clock

water glass

noun

any of various devices for measuring time that use the escape of water as the motive force

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012