01 n. A device, with valves, for raising water by steam, partly by atmospheric pressure, and partly by the direct action of the steam on the wate…
-
1.
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. Also: vacuum pump
-
2.
A pulsimeter.