Definitions

incompressible

[in-kuhm-pres-uh-buhl] / ˌɪn kəmˈprɛs ə bəl /

ADJECTIVE

firm

Synonyms

WEAK

close close-grained compact compressed concentrated concrete condensed congealed dense fine-grained hard hardened heavy impenetrable impermeable impervious inelastic jelled nonporous refractory rigid set solid solidified stiff sturdy substantial thick tough unyielding

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Engineers describe these conditions as incompressible flow and compressible flow.

From Science Daily • Nov. 14, 2025

"And what we found was that at Mach 6, the turbulence behavior is pretty close to the incompressible flow."

From Science Daily • Nov. 14, 2025

Water and air are, to a good approximation, incompressible fluids, and the Navier-Stokes equations are used to design airplane wings and to model weather patterns and ocean currents.

From New York Times • Mar. 22, 2023

Another important result involved the Navier-Stokes equations, which describe the dynamics of incompressible fluids.

From New York Times • Mar. 22, 2023

Its liquids, being practically incompressible and surrounded on all sides by bones, could not otherwise yield to the movements of the stapes.

From Physiology and Hygiene for Secondary Schools by Walters, Francis M.