The meaning of FLUID is having particles that easily move and change their relative position without a separation of the mass and that easily yield to pressure : capable of flowing.

FLUID definition: a substance, as a liquid or gas, that is capable of flowing and that changes its shape at a steady rate when acted upon by a force tending to change its shape. See examples of fluid used in …

Fluid ... In physics, a fluid is a liquid, gas, or other material that may continuously move and deform (flow) under an applied shear stress, or external force. [1]

Fluids flow easily and take on the shape of their containers. All liquids and gases are fluids.

fluid adjective (LIKELY TO CHANGE) If situations, ideas, or plans are fluid, they are not fixed and are likely to change, often repeatedly and unexpectedly:

Aug 7, 2021 · Learn what a fluid is in physics and other sciences. Get the definition and see examples of fluids in everyday life.

A situation that is fluid is unstable and is likely to change often. The situation is extremely fluid and it can be changing from day to day.

Definition of fluid noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

adj. Hydraulics pertaining to a substance that easily changes its shape; capable of flowing. Hydraulics consisting of or pertaining to fluids. changing readily; shifting; not fixed, stable, or rigid: fluid …

Fluids are a phase of matter and include liquids, gases and plasmas. They are substances with zero shear modulus, or, in simpler terms, substances which cannot resist any shear force applied to them.