non-Newtonianadj.
/ˌnɒnnjᵿˈtəʊnɪən/, /ˌnɒnnjuːˈtəʊnɪən/, U.S. /ˌnɑ(n)n(j)uˈtoʊniən/ Physics.
Not Newtonian (Newtonian adj. 1); esp. relating to or designating fluids whose rate of shear is not proportional to the shearing stress.
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Darcy1881
Venturi1887
non-Newtonian1908
Newtonian1932
1908 G. N. Lewis in London, Edinb., & Dublin Philos. Mag. 6th Ser. 16 709 The conclusions of the previous section lead us to modify one of these axioms and thus lay the foundation of a system of non-Newtonian mechanics.
1934 Physics 5 323/1 A theory of non-Newtonian liquids can therefore only result from a nonlinear law of flow.
1971 Biorheology 8 79 The ‘overall vicosity’..exhibited non-Newtonian behavior.
1992 New Scientist 25 Jan. 41/1 Here we have also a possible clue to understanding an unusual non-Newtonian phenomenon called drag reduction..in pipes.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).
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adj.1908