An isobaric polynomial is a polynomial in which the sum of subscripts, counted with multiplicity, is the same in each nonzero monomial.
Isobaric Polynomial
See also
Homogeneous Polynomial, Weighted Homogeneous PolynomialExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Isobaric Polynomial." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/IsobaricPolynomial.html