(covers information from several alternate timelines)
- You might also be looking for Radius (bone).
Radius is the distance from the center of a circle to the outside edge.
The relationship between the radius and the circumference of a circle is .
While attempting to assassinate Gul Dukat, the Bajoran resistance give Major Kira Nerys (as Luma Rahl) a Bajoran earring made of ultritium resin which, when detonated, had a blast radius of twenty meters. (DS9: "Wrongs Darker Than Death or Night")
In the mirror universe, Doctor Phlox measured the bite radius of a bite mark left behind by an unknown reptilian and determined it was likely at least two meters in length. (ENT: "In a Mirror, Darkly, Part II")