ball valve

  1. a valve controlling flow by means of a ball pierced with an opening in one direction and fixed to rotate on a spindle at right angles to the opening.

  2. any valve that checks flow by the seating of a ball.

Origin of ball valve

First recorded in 1830–40

Words Nearby ball valve Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use ball valve in a sentence

British Dictionary definitions for ball valve

ball valve

  1. a one-way valve consisting of a metal ball with a cylindrical hole fitting into a concave seat over an opening

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