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

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

From New York Times • Mar. 22, 2023

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

A theory, which Sir W. Thomson has founded on Helmholtz's splendid hydrodynamical theorems, seeks for the properties of molecules in the ring vortices of a uniform, frictionless, incompressible fluid.

From Five of Maxwell's Papers by Maxwell, James Clerk