Biquadratic polynomial and Polynomial

Biquadratic polynomial noun - A polynomial of the fourth degree.

Polynomial and biquadratic polynomial are semantically related. In some cases you can use "Polynomial" instead a noun phrase "Biquadratic polynomial".

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

Biquadratic polynomial and polynomial are semantically related. Sometimes you can replace phrase "Biquadratic polynomial" with "Polynomial", this terms are similar.