Radius

Radius might refer to:
* Radius (bone), a bone in a Human forearm
* Radius (geometry), a measurement of a circle's size
* Blast radius, the measurement of an explosive's damage area
* Burst radius, a phenomenon associated with supernovae
* Dimensional radius
* Dispersal radius
* Support radius
;See also
* Radial force compensator
* Radial geodesic
* Radial imbalance
* Radial line
* Radial wall