A surname from Italian.

A surname from Serbo-Croatian.

(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 axis

plural of radical line

(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.

(chemistry) A positively charged radical ion.

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

(chemistry) The uncharged radical H₂N^. formally derived from ammonia by removing a hydrogen atom; and any of its derivatives R₂N^.