Definition of "saturator" [sat•u•ra•tor]

• One that saturates (noun)

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• "The saturator, which is the most important part of the apparatus, comprises a pump, a feed reservoir, and a sphere."
• "For something a bit more underground, the increasingly arty Praga district across the Vistula River offers three new clubs — Saturator, Hydrozagadka, and Klub 55 — all in the same courtyard (saturator. art.pl)."
• "The saturator, pump, and driving shaft are supported by a hollow base, in whose interior are placed a copper washer and the water-inlet controlled by a float-cock."