plural of algebraic structure

plural of algebraic equation

plural of algebraic geometry

plural of algebraic closure

plural of commutative algebra

plural of Kleene algebra

plural of Boolean algebra

plural of Weyl algebra

(algebra) The ring of differential operators with polynomial coefficients (in one variable), namely expressions of the form f_m(X)∂_Xᵐ+f_m-1(X)∂_Xᵐ⁻¹+⋯+f_1(X)∂_X+f_0(X).

two-element Boolean algebra