Polynomial and Single-valued function

Polynomial noun - A mathematical function that is the sum of a number of terms.

Single-valued function and polynomial are semantically related. In some cases you can use "Single-valued function" instead a noun "Polynomial".

Single-valued function noun - Mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function.

Polynomial and single-valued function are semantically related. Sometimes you can replace term "Polynomial" with "Single-valued function", this terms are similar.