water glass

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sol·u·ble glass

a silicate of potassium or sodium, soluble in hot water but solid at ordinary temperatures; used for fixed dressings.
Synonym(s): water glass

water glass

References in periodicals archive ?
The water clocks used in China were just the opposite.
The resulting mechanical clocks did not tell time more accurately than water clocks did, but they were more convenient and required less care.
Or Couple, 2008, an ornate water clock filled with, a yellowish liquid placed delicately on its side on a small, padded display.
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).
Across the street from it stands the remains of Fes's once-grand medieval water clock, now ruined.
turned the water clock over, water tumbled out, soaking your shoes.
Champion dancers from Cuban Grove, who have featured on BBC TV's Strictly Come Dancing, were the stars, helping workers at Severn Trent Water clock up more than pounds 107,000.
Another early timekeeper used by the Egyptians and Greeks was the clepsydra (klep se drah) or water clock. As time passed, water trickled down through a tiny hole, from one jar to others placed below it.
A water clock turned the mask once a day to keep up with the sky.
I walked up to it and realized that it wasn't just a sculpture, it was actually a giant water clock. Minutes, seconds, and hours were measured in this clock as the water flowed into its various parts.
But the star of the garden was the now-famous water clock which the Queen took a shine to when she visited our garden.
About 270 B.C., a Greek inventor, Ctesibius (2d century B.C.), devised a model of the water clock that gained great popularity.