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Fluid Definition

Chemistry Glossary Definition of Fluid

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Most people think of liquids and gases as fluids. Plasma is a fluid too.

Most people think of liquids and gases as fluids. Plasma is a fluid too.

Luc Viatour

Definition: a fluid is any substance that flows or deforms under an applied shear stress. Fluids comprise a subset of the states of matter and include liquids, gases, and plasma.

Examples: all liquids and gases are fluids (air, water, oil)

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