rheology

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English

Etymology

Coined by American scientist Eugene C. Bingham in 1920, following a suggestion by a colleague, Markus Reiner;[1] inspired by aphorism πάντα ῥεῖ (pánta rheî, “everything flows”) by Simplicius of Cilicia. Formed from Ancient Greek ῥέω (rhéō, “flow”) +‎ -logy (“study of”, suffix ultimately from Ancient Greek). See also rheo-.

Noun

rheology (plural rheologies)

  1. (physics) The branch of physics that studies the deformation and flow of matter.
    • 2022 April 19, Jennifer Chu, "MIT Engineers Introduce the Oreometer", MIT News:
      While Oreo cream may not appear to possess fluid-like properties, it is considered a "yield stress fluid"—a soft solid when unperturbed that can start to flow under enough stress... Curious as to whether other had explored the connection between Oreos and rheology, Owens found mention of a 2016 Princeton University study in which physicists first reported that indeed, when twisting Oreos by hand, the cream almost always came off on one wafer.

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References

  1. ^ J. F. Steffe (1996) Rheological Methods in Food Process Engineering, 2nd edition, →ISBN, page 1
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