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tap water

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noun
  1. water, obtained directly from a faucet or tap, that has not been purified, distilled, or otherwise treated.
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Origin of tap water

First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for tap water

Historical Examples of tap water

  • Our own experiments have been made both with distilled water and tap-water with the advantage in favor of the latter.

    The North American Slime-Moulds

    Thomas H. (Thomas Huston) MacBride

  • The cell is usually filled with tap-water, and a period of rest after making up, generally speaking, improves the sensitiveness.

  • Thus, a shallow tin vessel, such as the lid of a biscuit box, may be levelled and filled with tap-water through a rubber hose.


British Dictionary definitions for tap water

tap water

noun
  1. water drawn off through taps from pipes in a house, as distinguished from distilled water, mineral water, etc
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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