pulsometer[pul säm′ət ər]
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
- a pump without a piston, that raises water by the sucking effect of condensing steam
Origin: puls(e) plush -o- plush -meter
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A pump without pistons that operates by means of pulsed condensation of steam. Also called vacuum pump.