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radical anion
(chemistry) A negatively charged radical ion.
radical ion
(chemistry) Any radical that also carries an electric charge; typically, the charge and unpaired electron are associated with the same atom.
radical center
(geometry) A point at which the radical lines of three circles meet. / Pertaining to radical centrism.
radical line
(mathematics) The line containing the locus of points from which the segments respectively tangent to two given circles have equal length.
free radical
(chemistry, physics) A molecule, ion or atom that has one or more unpaired electrons, and which is generally highly reactive (and therefore often occurs only as a transient species).
radical axis
(mathematics) The line containing the locus of points from which the segments respectively tangent to two given circles have equal length.
aminyl radical
(chemistry) The uncharged radical H₂N^. formally derived from ammonia by removing a hydrogen atom; and any of its derivatives R₂N^.
radical cation
(chemistry) A positively charged radical ion.
aminoxyl radical
(chemistry) The uncharged form of an aminoxide derived from hydroxylamines by removal of a proton; their structure is best represented as R₂NO^. <=> R₂N^(.+)-O⁻.
radical feminism
(politics, feminism) A type of feminism which calls for a radical reordering of society to eliminate male supremacy in all social and economic contexts.
