ballcock
ball cock n.
A self-regulating device controlling the supply of water in a tank, cistern, or toilet by means of a float connected to a valve that opens or closes with a change in water level.

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Universalium. 2010.

Look at other dictionaries:

  • ballcock — ► NOUN ▪ a valve which automatically tops up a cistern when liquid is drawn from it …   English terms dictionary

  • ballcock — UK [ˈbɔːlˌkɒk] / US [ˈbɔlˌkɑk] noun [countable] Word forms ballcock : singular ballcock plural ballcocks a floating ball that opens and closes a valve, used for controlling a water supply, for example in a toilet …   English dictionary

  • Ballcock — A ballcock (also balltap or fill valve) is a mechanism for filling water tanks, such as those found in flush toilets, while avoiding overflow. It was invented by Thomas Crapper.It consists of a valve connected to a float by means of a lever,… …   Wikipedia

  • ballcock — noun A floating sphere, attached to a lever, that controls the level of liquid in a cistern …   Wiktionary

  • ballcock — ball|cock [ˈbo:lkɔk US ˈbo:lka:k] n a hollow floating ball on a stick that opens and closes a hole, to allow water to flow into a container, for example in a toilet …   Dictionary of contemporary English

  • ballcock — n. automatic valve consisting of a hollow floating ball which by its rising and falling shuts and opens the valve …   English contemporary dictionary

  • ballcock — noun a valve which automatically tops up a cistern when liquid is drawn from it, especially in a flushing toilet …   English new terms dictionary

  • ballcock — noun (C) a hollow floating ball on a stick that opens and closes a hole, to allow water to flow into a container, for example in a toilet (1) …   Longman dictionary of contemporary English

  • ballcock — /ˈbɔlkɒk/ (say bawlkok) noun a device for regulating the supply of water in a tank, cistern, or the like, consisting essentially of a valve which opens and shuts with the rise and fall of a hollow floating ball connected to it …   Australian English dictionary

  • ballcock — n. a floating ball on a hinged arm, whose movement up and down controls the water level in a cistern …   Useful english dictionary

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