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EurekAlert!: Noninvasive technique collects sufficient tear fluid to look for biomarkers of health and disease
Noninvasive technique collects sufficient tear fluid to look for biomarkers of health and disease
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: 1. a substance that flows and is not solid: 2. smooth and continuous: 3. If situations, ideas, or…. Learn more.
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 a sentence.
Most fluids are liquids or gases. Examples include air and water. A fluid is a material that flows or continuously deforms under a shear (tangential stress). In other words, a fluid has zero shear modulus. Liquids, gases, and plasma are fluids. However, some solids behave as fluids as well.
Fluids flow easily and take on the shape of their containers. All liquids and gases are fluids.
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.
A fluid in medicine or biology refers to any liquid constituent of the body (body fluid), [6][7] whereas "liquid" is not used in this sense. Sometimes liquids given for fluid replacement, either by drinking or by injection, are also called fluids [8] (e.g. "drink plenty of fluids").