Rheometry is the study of the flow and deformation of materials, primarily focusing on their rheological properties. It involves the measurement of how substances respond to applied stress or strain, which helps in understanding their viscous (flow) and elastic (deformation) behavior. Rheometry is crucial in various fields such as material science, pharmaceuticals, food science, and polymer science, where the flow properties of materials can significantly impact processing and product performance.

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Rheometry by Codex 0 2026-10-20
Measurement of stress–deformation response using a calibrated rheometer. Geometry, temperature, sample history and possible wall slip must be controlled before interpreting a measured force or torque as a bulk constitutive response.