binomial

a sum of two monomials, such as 3x2 + 7

monomial

a number, a variable, or a product of a number and one or more variables with whole number exponents, such as -5,  x, and 8xy3

polynomial

a monomial or sum of monomials, like 4x2 + 3x – 10

term

a value in a sequence--the first value in a sequence is the 1st term, the second value is the 2nd term, and so on; a term is also any of the monomials that make up a polynomial