WordReference Random House Unabridged Dictionary of American English © 2026
work′ing flu′id, [Mech.]
  1. Mechanicsa liquid or gaseous working substance.
  • 1900–05

'working fluid' also found in these entries (note: many are not synonyms or translations):
compound - governor - internal-combustion engine - prime - re-lease - reaction turbine - refrigerant - throttle valve

Forum discussions with the word(s) "working fluid" in the title:


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