Dictionary.com
definitions

ball valve

|

noun Machinery.

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

RELATED CONTENT

8 Words For CelebrationRead more in this article about some frequently asked questions and fun facts related to our definitions.
READ MORE
Soccer Terms For When The World Cup Is The Only Thing On TVThe fact that American English speakers call soccer, well, soccer, may set us apart from the rest of the world, but that doesn’t mean we don’t have love for the sport played with one’s feet.
READ MORE

Nearby words

ball race, ball tearer, ball thrombus, ball turning, ball up, ball valve, ball's in your court, the, ball, george wildman, ball, john, ball, lucille, ball-and-claw foot

Origin of ball valve

First recorded in 1830–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ball valve

British Dictionary definitions for ball valve

ball valve

noun

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

Medicine definitions for ball valve

ball valve

n.

A valve regulated by the position of a free-floating ball that moves in response to fluid or mechanical pressure.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.