Ra`di*o-ac"tive (?), a. [Radio-
+ active.] (Physics) Capable of luminescence under
the action of cathode rays, X rays, or any of the allied forms of
radiation. -- Ra`di*o-ac*tiv"i*ty,
n.
Ra`di*o-ac"tive (?), a. [Radio-
+ active.] (Physics) Capable of luminescence under
the action of cathode rays, X rays, or any of the allied forms of
radiation. -- Ra`di*o-ac*tiv"i*ty,
n.