A quadratic polynomial is a polynomial of degree 2.

[…] and finding out the residence of his brother Charles, desires him not to peach him, but to lend him a suit of his fine cloaths, that he might see what it was to be a fine gentleman […]

My supervisor always finds fault with my work.

Note that because of the square-well air-bag model, these synchrotron azimuthals are slightly different from the conventional ones.