"pertaining to the principles of equilibrium of fluids," 1670s, from hydro- "water" + -static "stabilizing" (see -stat). Related: Hydrostatics (1650s); hydrostatical.
hydrostatic pressure
hydroplane
hydroponics
hydropower
hydropsy
hydrosphere
hydrostatic
hydrotherapy
hydrothermal
hydrous
hydroxide
Hydrus
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