plural of rough pump

Synonym of roughing pump

A type of vacuum pump that is used to achieve rough vacuum from initial atmospheric pressure.

present participle of pump out

simple past tense and past participle of pump out

Third-person singular simple present indicative form of pump out

(sometimes capitalized) A room housing a pump, especially a room or structure at a spa where mineral water is drawn from a spring and consumed, formerly often serving as a venue for polite socializing and conversation.

plural of turbine pump

A pump in which water is raised by the inverted action of a turbine-wheel.

(US, slang) pump attendant