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valving

noun valv·ing \ ˈvalviŋ \
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Definition of valving

plural -s
: a system or arrangement of valves
  • changed the angle and the valving on the rear shocks
  • —Walt Woron
  • the valving can be opened to the pump line
  • —George Hofferkamp & John Zich

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Origin and Etymology of valving

valve + -ing

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