American Heritage® Dictionary of the English Language, Fourth Edition
- n. A valve regulated by the position of a free-floating ball that moves in response to fluid or mechanical pressure.
Century Dictionary and Cyclopedia
- n. A valve formed by a globe resting upon a concave circular seat. It is lifted by the upward pressure of the fluid, and descends by gravity when that pressure is removed. See
GNU Webster's 1913
- n. (Mach.) a contrivance by which a ball, placed in a circular cup with a hole in its bottom, operates as a valve.
- n. any valve that checks flow by the seating of a ball
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These user-created lists contain the word ‘ball valve’.
An extract from the "Zold Tolmacs" project, a HU-EN environmental dictionary compiled by Robert Gulyas in 2000.
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The collocations below consist of nouns only. Noun-noun collocations are extremely frequent in science (just think of the names of species, chemical compounds or "scientist+invention" type collocat...
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Amusingly-named mechanical and electrical parts to be found in a particular warehouse in Newfoundland
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