The phrase "quadratic term" is correct and usable in written English.
You can use it to describe a term in a polynomial with degree 2. For example, "The quadratic term of the polynomial is x^2 + 5x + 2".
Finally, since changes in white matter properties could theoretically follow a nonlinear trajectory, we tested a model that included a quadratic term for each tract and parameter.
cLinear + quadratic term.
The quadratic term is negative and significantly different from zero.
Wald tests for the quadratic term in the QUAIDS.
end{aligned} (29 where the quadratic term was neglected.
It is assumed that there is a quadratic term in y.
All specifications control for age, a quadratic term for age, education indicators, gender, and race.
Moreover, the quadratic terms were statistically insignificant or marginal except for the polymer concentration quadratic term.
Factor x 3 demonstrates non-significant linear term but significant quadratic term.
Due to the quadratic term, v can reach infinity in finite time.
The quadratic term can make the formula adapt to the real condition better.
