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

Dec 9, 2025 · An NIH-supported clinical found evidence that shunt surgery may effectively improve mobility and balance in people with a type of fluid buildup in the brain.

2 days ago · Water weight occurs when your body holds on to water instead of expelling it through urine. Learn what causes it and simple changes to help you lose water weight.

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

Jan 18, 2023 · Pleural effusion Pleural effusion is a collection of fluid around your lungs. Your provider has to get rid of this fluid with medicine or a procedure. Also, they need to diagnose …

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Fluid definition: A continuous, amorphous substance whose molecules move freely past one another and that has the tendency to assume the shape of its container; a liquid or gas.

Jun 2, 2025 · A fluid collection (often expressed in the medical vernacular as a collection) is a non-specific term used in radiology to refer to any loculation of liquid in the body, usually within …

Section Summary A fluid is a state of matter that yields to sideways or shearing forces. Liquids and gases are both fluids. Fluid statics is the physics of stationary fluids.