A surname from Italian.

A surname from Serbo-Croatian.

plural of free radical

plural of aminyl radical

plural of aminoxyl radical

plural of Kangxi 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).

(geometry) A point at which the radical lines of three circles meet. / Pertaining to radical centrism.

(mathematics) The line containing the locus of points from which the segments respectively tangent to two given circles have equal length.

(mathematics) The line containing the locus of points from which the segments respectively tangent to two given circles have equal length.