This is a great website explaining what a polynomial is. Be sure to take time to look at it!
Definitions:
Monomial: comes from "mono"- meaning one. A monomial only has one term in it.
Binomial: comes from "bi"- meaning two. A binomial has two terms in it.
Quadratic equation: This is a polynomial. It consists of three terms. Standard form is
ax2 + bx + c