The relevant point is that it usually doesn’t matter whether you have one, five or 500 terms in a polynomial, as the largest one will certainly dominate for sufficiently large input sizes and all terms in a polynomial essentially behave the same way (being differentiable, having no poles etc.).
 The only thing wrong with homosexuality is smashing a Greek prefix onto a Latin root.
 Latin: uno-, bi-, pauc-, multi-, Greek: mono-, di-, oligo-, poly-
 cf. http://www.wolframalpha.com/input/?i=x%5E20%3B+x%5E20%2Bx%5E...