The measurement of rheological properties of materials, especially by the use of a rheometer(noun)
The calculus(noun)
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Use "rheometry" in a sentence
"In the poster sessions, Tim Freeman and Brian Armstrong, also from Freeman Technology, are co-authors of work describing the 'Characterisation of granulation wet masses using powder rheometry'."
"QCMD (Quartz Crystal Microbalance with Dissipation Monitoring) and cone and plate rheometry."