Rooted; deep-seated; firmly established. / (botany) Having a root; growing from a root; (of a fungus) having rootlike outgrowths at the base of the stipe. / (zoology) Fixed at the bottom as if rooted.

(obsolete, rare) causing to take root, establishing / (obsolete, rare) extending to the root, radical

(mathematics) The plane containing the circle formed by the intersection of two spheres (or whose points have equal power with respect to two non-intersecting spheres)

plural of radical line

plural of radical axis

(historical) A member of the Republican Party or the Radical Republican Party in the United States, who supported Reconstruction as the rapid full emancipation of African Americans and continuation of the martial law regime in former Confederate states.

The adoption and promotion of radical political causes by celebrities, socialites, and high society.

plural of radical ideal

(algebra, commutative algebra, ring theory) An ideal I within a ring R that is its own radical (i.e., for any r ∈ R, if rⁿ ∈ I for some positive integer n, then r ∈ I).

The complete surgical removal of the prostate gland.