hydrostatic

adjective

hy·​dro·​stat·​ic ˌhī-drə-ˈsta-tik 

: of or relating to fluids at rest or to the pressures they exert or transmit compare hydrokinetic

hydrostatically

ˌhī-drə-ˈsta-ti-k(ə-)lē 

adverb

Examples of hydrostatic in a Sentence

Recent Examples on the Web

Octopuses do not have bones, relying instead on a soft, muscular structure supported by a hydrostatic system. —Samantha Agate, Fort Worth Star-Telegram, 20 Apr. 2026

Octopuses have no bones at all, relying instead on a soft, muscular structure supported by an internal hydrostatic system. —Samantha Agate, Kansas City Star, 20 Apr. 2026

The submarine cable-cutting technology relies on an electro-hydrostatic actuator consisting of a hydraulic pump, an electric motor, and a control unit. —Jonathan M. Gitlin, ArsTechnica, 16 Apr. 2026

There are enormous numbers of small bodies, from tiny moonlets to asteroids to comets and more, that simply aren’t massive enough to pull themselves into hydrostatic equilibrium. —Big Think, 14 Apr. 2026

Word History

Etymology

probably from New Latin hydrostaticus, from hydr- + staticus static

First Known Use

1666, in the meaning defined above

Rhymes for hydrostatic

• achromatic
• acrobatic
• adriatic
• aliphatic
• antistatic
• aromatic
• astigmatic
• autocratic
• automatic
• bureaucratic
• charismatic
• cholestatic

Medical Definition

hydrostatic

adjective

hy·​dro·​stat·​ic -ˈstat-ik 

: of or relating to fluids at rest or to the pressures they exert or transmit compare hydrokinetic

hydrostatically

-i-k(ə-)lē 

adverb