from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A drinking glass or goblet.
  • n. An open tube or box having a glass bottom for making observations below the surface of the water.
  • n. See sodium silicate.
  • n. A water gauge made of glass.
  • n. See clepsydra.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A common name for some water-soluble silicate compounds, especially when occurring in dissolved, jelly-like form.

from the GNU version of the Collaborative International Dictionary of English

  • See Soluble glass, under glass.
  • A clepsydra.
  • An instrument consisting of an open box or tube with a glass bottom, used for examining objects in the water, as upon the sea bottom in shallow places.
  • A water gauge for a steam boiler.
  • n. See Soluble glass, above.

from The Century Dictionary and Cyclopedia

  • n. A glass water-gage to indicate to the eye the level of the water in a steam-boiler.
  • n. A water-clock or clepsydra.
  • n. An instrument for making observations be neath the surface of water, consisting of a tube with a glass bottom; a water-telescope.
  • n. Same as soluble glass (which see, under glass).

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. clock that measures time by the escape of water
  • n. a viscous glass consisting of sodium silicate in solution; used as a cement or as a protective coating and to preserve eggs
  • n. a glass for drinking water
  • n. gauge for indicating the level of water in e.g. a tank or boiler or reservoir


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