from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A pump without pistons that operates by means of pulsed condensation of steam.

from The Century Dictionary.

  • noun Same as pulsimeter.
  • noun In mech., a kind of steam-condensing pump acting on the principle of a vacuum-pump.

from the GNU version of the Collaborative International Dictionary of English.

  • noun A device, with valves, for raising water by steam, partly by atmospheric pressure, and partly by the direct action of the steam on the water, without the intervention of a piston; -- also called vacuum pump.
  • noun A pulsimeter.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A vacuum pump or hydrotrope.


Sorry, no etymologies found.



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