(chemistry) The uncharged form of an aminoxide derived from hydroxylamines by removal of a proton; their structure is best represented as R₂NO^. <=> R₂N^(.+)-O⁻.

(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 complete surgical removal of the breast.

The complete surgical removal of the prostate gland.

The complete surgical removal of the uterus.

(politics, feminism) A type of feminism which calls for a radical reordering of society to eliminate male supremacy in all social and economic contexts.

Conversion to or joining a group, such as a religion or social organization, identification with which subsequently leads to extremism.

plural of aminoxyl radical

plural of free 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)