'constant element' is a correct and usable part of a sentence in written English.
You can use it to refer to something that remains the same and doesn't change, for example, "Love is a constant element in our relationship."
High heels may be the only constant element in Ms. Baek's personal style catalog.
At first, a criterion is obtained for constant element and consequently higher order elements are investigated.
It is Hobsbawm's self-questioning that gives this book a constant element of surprise and vigour and makes it an exceptional political memoir.
This drive for power is a far more constant element in his makeup than is the philosophy behind any particular revolutionary panacea he may be peddling.
Fuel costs, which typically make up 25 percent to 35 percent of airlines' operating costs, also represent a constant element of uncertainty.
A constant element in the dialogue is irony; etymologically, the term derives from a form of interrogation in which the answer is known beforehand by the questioner.
There are some constant elements in all the Medea stories, though.
The accuracy of radiosity simulations can also be improved using linear, quadratic, or higher degree elements instead of constant elements.
The constant elements were Mr. Mela and the bassist Larry Grenadier; the variables were the pianist Jason Moran, the guitarist Lionel Loueke, and the tenor saxophonist Mark Turner.
Such immersion in earlier literary texts and the adoption of their language to fit her own poetic purposes are constant elements in Dickinson.
But the group may be too optimistic about the imminent return of league soccer to Egypt, where tension and controversy remain constant elements.
