nontrivial

[ non-triv-ee-uhl ]

adjective

not trivial.
Mathematics. noting a solution of a linear equation in which the value of at least one variable of the equation is not equal to zero.

Origin of nontrivial

First recorded in 1910–15; non- + trivial

We can produce infinitely many nontrivial loops on one, and they can wind, double back and wrap around multiple times before ending at their starting point.
Topology 101: The Hole Truth | David S. Richeson | January 26, 2021 | Quanta Magazine
By developing new drugs that can clear the buildup of these protein crosslinks, a nontrivial but achievable task, we could make our tissues young again.
Cracking the code of biological aging could solve America’s health care crisis | matthewheimer | December 30, 2020 | Fortune
With a polarized environment comes a highly fragmented media landscape, particularly as a nontrivial proportion of the population are now going out of their way to avoid what might be considered “mainstream” media.
‘Emotions are so heightened’: Why the election fallout hammers home the need for marketers to act responsibly | Lara O'Reilly | November 9, 2020 | Digiday
For an academic like myself (chair of the Man Booker judges in 2005), the amount is nontrivial.
Mantel Books the Booker | John Sutherland | October 6, 2009 | THE DAILY BEAST

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